Family Surnames
Abad
Abadal
Abadia
Abadie
Abaeto
Abajo
Abal
Abalos or Avalos
Aban or Abbans
Abancourt
Abar
Abarbanel
Abarca
Abaria
Abaroa
Abarrategui
Abascal
Abasto
Abat
Abati
Abaurrea
Abbé
Abbot
Abbott
Abbott
Abdank or Habdank
Abdy
Abeeta
Abel
Abel
Abela
Abelho
Abell
Abella
Abellán
Abelló
Abendroth
Abengoza
Aberasturi
Abercrombie
Abernethy
Aberton
Abiaga
Abiago
Abingdon or Abington
Abinia
Abio
Abitera
Ablanedo
Aboa
Abogadro
Aboim
Aboitiz
Abor
Abrahall
Abraham
Abráldez
Abram
Abran
Abreu
Abreu
Abri or Abrines
Abril
Abszlank
Abul
Accotts
Acebedo or Acevedo I
Acebedo or Acevedo II
Acebes or Aceves
Acedo
Aceija
Aceituno
Acero
Acha I
Acha II
Achalandabaso
Achard
Achard
Acher
Acheros
Acherton
Acheson
Achinger
Achioli
Achmat
Achmatowicz
Achmuty or Auchmuty
Achuri
Ackerman
Ackers
Ackland
Ackroyd
Acorella
Acosta
Acotes
Acre
Acton
Acuña
Acurio
Adair
Adair
Adam
Adam
Adam (AB IFOR OF GWENT)
Adam (AP HYWEL)
Adame
Adames (of Cardiganshire)
Adami
Adamo
Adams
Adams
Adams
Adams
Adams (Patrickchurch, Pembrokeshire)
Adamson
Adán
Adarbe
Adarga
Adárraga
Adda (of Mochnant)
Adderley
Adell
Adelmann
Adhemar
Adington
Adinstoun or Adiston
Adison or Addison
Adler
Adler
Adlington
Adoian
Adorno
Adorno
Adrián
Adrien
Aeddan (AP GWAITHFOED)
Aeddan (AP SEYSSYLLT)
Aellos
Aeneas (YSGWYDDWYN)
Afán
Affleck
Affonso
Agar
Agar
Agar
Agard
Agard
Agea
Ager
Agier
Agneau
Agnese
Agnew
Agnew
Agós
Agostini
Agostino
Agramonte
Agramunt
Agraz
Agreda
Aguado
Aguas
Aguayo
Agudo
Agueda
Agüero
Aguiar
Aguiar
Águila
Aguilar
Aguilera
Aguilera
Aguilo
Aguinaga
Aguirre
Aguirrezazona
Agulló
Ahajadas
Ahedo or Haedo
Aherne
Aherne or O'Heron
Ahones
Ahumada
Aiala
Aicken
Aiello
Aigle ('d)
Aigremont
Aikenhead
Aikman
Ailhaud (d')
Ailly
Aimerich
Ainsa
Ainslie
Ainsworth
Aires
Airth
Aitken
Aizaga
Aizpurúa
Ajofrín
Aksak
Akszak
Alabanda
Alagón
Alaíz
Álamo
Alan
Aland
Alao
Alapont
Alarcón
Alardo
Álava
Alba
Albacete
Albalat
Albanacus (Son of Brutus)
Albanese
Albani
Albany
Albarracín
Albelda or Abelda
Albéniz
Alberas
Alberca
Alberdi
Albergaria
Albernaz
Albernoz
Albero
Albers
Albert
Albert
Albert or Albertín
Alberti
Alberti
Albertini
Alberto
Alberton
Albin
Albini
Albon
Albornoz
Alborough
Albrecht
Albuquerque
Alburquerque
Alcalá
Alcañiz
Alcántara
Alcaraz
Alcázar
Alchimowicz
Alcocer
Alcock
Alcock
Alcock (Waterford)
Alcolea
Alcubillo
Aldaba
Aldana
Aldebert
Aldehuela
Alden
Alderete
Alderson
Aldham
Aldin
Aldington
Aldred
Aldridge
Aldrington
Aldwell (Tipperary)
Aldworth
Aldworth
Alegría
Alemani
Alemany
Alepus
Alessio
Aleth (King of Dyfed)
Alexander
Alexander
Alexander
Alexandre
Alexandrowicz
Alfaro
Alfaro
Alférez
Alfero
Alfonse
Alfonsín
Alfonso
Alford
Alfred
Alfrey
Algarra
Algeo
Alicante
Alighieri
Alix
Allain
Allaire
Allamand
Allard
Allardice
Alleaume
Alleet
Allegretti
Allegri
Alleman (d')
Allemand
Allen
Allen
Allen
Allen or Alen
Allende
Allenson
Allerton
Allesandri
Allet
Alley
Alley
Allgood
Allier
Allington
Alliot
Allyn
Alma
Almada
Almagro
Almanza or Almansa
Almeida
Almeida
Almer (of Pant locyn, Denbighshire)
Almodóvar
Almunia
Alo (ab Ithel, King of Gwent)
Alonso I
Alonso II
Alós
Alpedrete
Alphonso
Alpoim
Alpont I
Alpont II
Alquier
Alsop
Alston
Alston
Altamira
Altamirano
Altamirano
Alte
Altero
Altmann
Alvarado
Alvarães
Alvarenga
Alvares
Álvarez
Álvarez (de Toledo)
Alverston or Alveston
Alvim
Alvo
Alzaga
Alzamora
Alzate
Amadej
Amado
Amado or Amador
Amador
Amand
Amar
Amaral
Amat
Amati
Amato
Amaya
Ambia
Ambía
Amboise
Ambrose
Ambrose
Ambrosi
Ambrozewicz
Amelin
Ameredith (Meredith of Crediton)
Ames
Amescua
Amezúa
Amici
Amico
Amigo
Amiot
Amor
Amorim
Amorín
Amorós
Amory
Amos
Amours (d')
Ampuero
Ampurias
Anailha
Anaya
Ancel
Ancelin
Anciso
Ancketill
Ancuta
Anda
Andelos
Anderson
Anderson
Anderton
Andesley
Andia
Andrade
Andrade
André
Andrea
Andrejowicz
Andreozzi
Andrés
Andreu
Andrew
Andrew
Andrew
Andrewe (of Herefordshire)
Andrews
Andrieu
Andronowski
Andros (or Andrews)
Andruszkiewicz
Andrychewicz
Andrychowicz
Anduaga
Andueza
Anduga
Anero
Ángel
Angelis
Angell
Angelo
Anger or Angier
Anglasel
Angle (Pembrokeshire)
Angleria
Anglés
Anglesola
Anglois (l')
Angosto
Angot
Anguiano
Anguita
Angulo
Angulo
Angus
Anhaia
Anhalt
Annand
Anne
Anne
Annesley
Annesley
Anny
Ansorena
Anstruther
Ansúrez
Antas
Antequera
Anthony
Antich
Antillo
Antoine
Antolínez
Antolini
Anton
Antón
Antonelli
Antoniewicz
Antonini
Antonius (AP SEIRIOL AP GORWST)
Antrobus
Antrobus
Antuñano
Antúnez
Anzano
Aoiz
Aoust (d')
Aparicio
Aponte
Appleby
Appleton
Appleyard
Apsley
Aquila
Aquin
Aquino
Araciel
Arados
Aragao
Aragón
Aragonés
Aramburu
Araña
Aranda
Arango
Aranguren
Aranha
Aranibar
Arauco
Araújo
Araújo
Araz
Arbeláez
Arbizú
Arbo
Arbois
Arbuckle
Arbuthnott
Arca
Arcas
Arce
Arce
Arcemberski
Arces
Archambault
Archard
Archbold
Archdall or Archdale
Archdeacon
Archdeacon
Archdekin or Archdecon
Archer
Archer
Archibald
Arcos I
Arcos II
Ardagh
Ardderch (AP MOR AP TEGERIN)
Arden
Arden (Sir John, of Cheshire)
Ardena
Arderne
Areilza
Arelhano
Arellano
Arena
Arenal
Arenas
Areny
Arés
Arévalo I
Arévalo II
Argenti
Argentini
Argolo
Argote
Argüelles
Argüello
Arias
Aries
Ariño
Ariola
Arista
Aristi
Arizmendi
Arjona
Arkley
Arlamowski
Arlès
Arlot
Armada
Armand
Armano
Armendáriz
Armenteros
Armero
Armiger
Armistead
Armitage
Armitage
Armorer
Armory
Armour
Armstrong
Armstrong
Arnáu
Arnaud
Arnault
Arndt
Arnedo
Arneil
Arnest
Arnet
Arnold
Arnold (Sir, Acquired Llanthony Abbey)
Arnott (Fermanagh)
Arnott or Arnot
Arnoud
Arod (ap Owain ab Edwin ap Gronwy)
Aron (Sir Aron Ap Bledri)
Arpin
Arquellada
Arquer
Arqués
Arquet
Arrabal
Arrafan
Arrais
Arras
Arregui
Arrese
Arriaga
Arriaga
Arribas
Arrieta
Arriola
Arriscada
Arrizabal
Arrowsmith
Arroyo
Arrué
Arruza
Artacho
Artal
Artasona
Artaud
Arteaga I
Arteaga II
Artés
Arthal (or Arthgal)
Arthen (AP SEISYLL)
Arthur
Arthur
Arthur I (ab uthr pendragon-King Arthur)
Arthur II (ab uthr pendragon-King Arthur)
Artieda
Artigues
Artiñano
Artunduaga
Arturo
Arumowicz
Arundell
Ascanio
Ascaso
Asch
Ascot
Ascough
Ascue
Ash (Kildare)
Ashborne
Ashborne or Ushborne
Ashbury
Ashby
Ashe
Ashe
Ashfield
Ashfield (Dublin)
Ashford
Ashley
Ashley (Caernarfon)
Ashman
Ashmore
Ashpool (of Denbighshire)
Ashton
Ashurst
Ashworth
Asiaín
Aske
Askew
Aslin
Aspremont
Asselin
Asten
Astier
Astley
Astner
Aston
Aston
Aston
Aston (of Denbighshire)
Astorga
Asturias
Asúa
Ataide
Athell
Atherton
Atheson
Athy (Galway)
Atienza
Atkins
Atkinson
Atkinson (Mayo)
Atkyns (of Cardigan)
Atley
Atocha
Atouguia
Atton
Atwater
Atwell
Atwood
Aubé
Auber
Aubert
Aubertin
Aubigné
Aubigny
Aubin
Aubrey
Aubrey (of Breconshire)
Aubry
Aucher
Auchinleck
Auchmuty or Achmuty
Audet
Audley
Audley (Lords of Cemais)
Audouin
Auffret
Auge
Auger
Augereau
Augier
Aumont
Auncell
Aungier or Aungies
Auriol
Aurszwald
Aussi
Austen
Austin
Authier
Autremont
Auvray
Avalos
Ávalos or Dávalos
Avecilla
Avelar
Avellaneda
Avene (lords of Afan)
Avery
Avery
Avila
Ávila I
Ávila II
Avilés
Avril
Ayala
Ayerbe
Ayerst
Aylmer
Aylward
Aylward
Aylwarde (of Carmarthen)
Aylworth
Ayora
Ayre
Aytoun or Ayton
Aza or Daza
Azagra
Azambuja
Azcárate
Azcón
Azcona
Azeredo
Azevedo
Azevedo
Azinhal
Aznar
Azofra
Azorín
Azulewicz
Baber
Babiano
Babin
Babinet
Babington
Bacara
Bach (AP GWAITHFOED)
Bacheler or Bachelier
Bachmann
Backhouse
Bacon
Bacquet
Bada
Badcock or Babcock
Badenoch or Badenock
Bader
Badet
Badía
Baena
Baena
Baeza
Bafford
Baga or Bagaría
Bagley or Begley
Bagnal (of Anglesey)
Bagnall
Bagnall (Down)
Bagot
Bagot (Galway)
Bagshaw
Bagur or Begur
Bagwell (Tipperary)
Bahamonde
Baião
Baier
Baigrie
Baikie
Bailén
Bailey
Bailey
Baillard
Baille
Baillet
Bailleul
Baillie
Baillie (Inishargy)
Baillif
Baillon
Baillot
Baillou
Bailly
Bain or Baines
Bainbridge or Baynbridge
Baird
Bairros or Barros
Bajbuza
Bajerski
Bakalowicz
Baker
Baker (of Abergavenny)
Baker (Queen’s Co.)
Baladon (or Ballon, lord of Abergavenny)
Balaguer
Balarin
Balay
Balbi
Balboa
Balbuena
Balcerowicz
Baldaia
Baldenaches
Balderston
Balderstone
Baldi
Baldini
Baldovino
Baldovinos
Baldry
Baldwin
Baleato
Balencegui
Bales
Balfour
Balfour (Fermanagh)
Ball
Ball
Balla
Ballard
Ballard
Ballastros
Balle
Ballentine
Ballentine
Ballero
Ballester
Ballesteros
Ballet
Ballet
Ballingall
Bally
Balmakin
Balme
Baltazar
Balzola
Bamber
Bamberg
Bamfield
Bamvill (or Bambil)
Banaster (of Flint)
Banbury
Bances
Bancroft
Band
Banda
Bandama
Bandeira
Bandrés
Banester
Bangor (ap Dafydd Bangor)
Bangor (Diocese of)
Banke
Banks
Bannatyne
Bannerman
Banning
Bannon
Baños
Bañuelos
Banyeras
Banyuls
Baquero
Baracaldo
Baracho
Barahona
Barahona
Barájas
Barata
Barba
Barbado
Barbarán
Barbarin
Barbaro
Barbata
Barbato
Barbe
Barbe
Barbeau
Barbedo
Barbeita or Barbeito
Barbena
Barbens
Barber
Barberà or Barbés
Barberena
Barberino
Barbet
Barbier
Barbieri
Barbin
Barbo
Barbosa
Barboso
Barbot
Barbour
Barby
Barcaíztegui
Barceló
Barcelona
Barclay
Barclay
Barco
Barcroft
Barczeski
Bard
Bardaji
Bardet
Bardi
Bardin
Bardolf (e)
Bardon
Bardot
Bardoy
Bardudo
Bardwell
Bare
Barejoia
Baret
Bareth (Galway)
Barford or Barfoot
Barham
Barjac
Barker
Barker (Meath)
Barker (Tipperary)
Barkham
Barlet
Barlow
Barlow (Galway)
Barlow (of Slebech)
Barnabé
Barnaby
Barnard I
Barnard II
Barner
Barnes I
Barnes II
Barnett
Barnewall (Meath)
Barney
Barnham
Barnhouse
Barnier
Barns
Barnston
Barnuevo
Baroja
Baron
Baron
Baron
Barón
Barone
Baroni
Barowroski
Barr
Barr
Barr or Barry
Barra
Barrachina
Barradas
Barral
Barran (Dublin)
Barranca
Barrantes
Barrat
Barrat
Barrau
Barre
Barreda
Barrell
Barres (des)
Barret
Barret
Barret (of Pendine, Pembrokeshire)
Barreto
Barreto
Barrett
Barrett
Barri
Barri (Manorbier Castle, Pembrokeshire)
Barrientos
Barrier
Barrière
Barriga
Barrington
Barrington (Limerick)
Barrio
Barrois
Barron
Barrón
Barron
Barros
Barros
Barroso
Barroso or Bastos
Barrow
Barrowman
Barry
Barry (de)
Barry (Herefordshire)
Bars
Barston
Bartels
Barthe
Barthélemy
Bartholomew
Bartlet (t)
Bartley
Bartlinski
Bartomeu
Barton
Barton
Barton
Barton (Kildare)
Barton (Lords of Barton, Flint)
Bartram
Bartsch
Barvanca
Barwell
Barwick
Baryczka
Bas
Bas (le)
Báscones
Basenet (of Flint)
Baset
Basford
Basham
Bashe
Basile
Basingwerk (Abbey, Flint)
Baskerville
Baskerville (of Eardisley, Herefordshire)
Baskin
Bassano
Basset
Basset (of Glamorgan)
Bassett
Bassi
Bassingborne
Bassols
Bastardo
Bastida
Bastide
Bastier
Bastin
Bastons
Bataille
Batalha
Bataller
Bate (s)
Bateman
Bateman (Kerry)
Bateman (of Honeyborough, Pembrokeshire)
Bates
Bateson
Bath or Bathe
Bathgate
Bathurst
Batres
Batt
Batt (Wexford)
Battaglia
Battersby
Baud (le)
Baudet
Baudier
Baudin
Baudouin
Baudry I
Baudry II
Bauer
Baumann
Baumbach
Baumberg
Baumeister
Baumgarten
Baumgartner
Bausch
Bautista or Baptista
Baux (des)
Bauzon (or Bawson, of Glamorgan)
Bawdrep (of Pen-marc, Glamorgan)
Bawol
Bawola Glowa
Baxter
Baxter
Bay
Bayard
Baybuza
Bayer
Bayer or Boyer
Bayle
Bayle
Bayler or Baylor
Bayley
Baylis
Bayman
Baynard
Baynes
Baynham
Baynham (AP EINION)
Baynton
Bayo
Bazán
Bazenski
Bazin
Bea
Beaghan or Behan (Antrim)
Beake
Beake (of Caernarfon)
Beale
Beamish
Beard
Beardsley
Beare
Beasley (Dublin)
Beatson
Beattie
Beau (le)
Beaubois
Beaucamp
Beaucé
Beauchamp
Beauchamp I
Beauchamp II
Beaucourt
Beaudet
Beauffort
Beaufils
Beauford
Beaufort I
Beaufort II
Beauharnais
Beaujeu
Beaulac
Beaulieu
Beaumont
Beaumont I
Beaumont II
Beaupre
Beaupré
Beauregard
Beaurepair (e)
Beauvais
Beauvoir
Beavan
Beavis
Beça or Bessa
Becerill
Becerra
Bechard
Beche or Beech
Becher or Beach
Bechet
Beck
Beck
Becker
Beckering
Becket
Becket
Beckford
Beckham
Beckingham
Beckley
Beckman
Beckman
Beckwith
Bécquer
Becquet
Beczka
Bedell
Bedford
Bedkowski
Bedlewicz
Bedo (AP DAFYDD AP GRUFFUDD)
Bedos
Bedoya
Bedwell
Bee
Beerman
Beeston
Began (of Breygan, of Monmouthshire)
Begg
Begley
Begley
Begue (le)
Béguin
Behan
Beja
Bejarano
Bejnart
Bekiesz
Belac
Belair
Belanger
Belcher
Belem
Belfarge or Belfrage
Belfield
Belford
Belgram
Belgrave
Belhouse
Beli (of Cegidfa, Montgomeryshire)
Beli Mawr (King of Britain)
Beliago
Belin
Belina
Bell
Bell
Bell (Fermanagh)
Bellafilla
Bellamy
Belle
Belle-Isle or Belisle
Bellenden
Bellera
Bellers
Bellet
Bellet
Bellevaux
Belleville
Bellew
Bellew
Belliard
Bellier
Bellin
Bellinger
Bellingham
Bellingham
Bellingham II
Bellini
Bello
Belloch
Bellón
Bellot
Bellot (Burton, Denbighshire)
Bellow
Bellprat
Bellpuig
Bellvehi
Bellver
Bellvís
Belmont
Belmonte
Belsches
Belson
Belton
Beltrán
Beltrao
Belty
Belza
Bem
Bem
Bembo
Bénard
Benasar
Benavente
Benavides
Bench
Bendall
Bender
Bender
Bendish
Bendris
Benedetti
Benet
Benevides
Benington
Benítez
Benito
Benjamin
Benkin
Benn
Bennet
Bennet
Bennet (Cilfeigan, Monmouthshire)
Bennett (Wexford)
Bennie or Binnie
Benning
Benning
Bennis (Limerick)
Benoist
Benoit
Benson
Bent
Bentley
Benton
Benvengut
Benwyll (or Benweill)
Benyon
Béranger
Berard
Beraud
Bere
Bereford
Bérenger
Berenger or Beringer
Berenguer
Berenguer
Berens
Berens or Bernes
Beresford
Beresford (Waterford)
Beresniewicz
Berg
Bergadá
Bergen
Berger
Berger
Bergeret
Bergeron
Bergés
Bergevin
Bergier
Bergin
Bergmann
Beringer
Berington
Berkeley
Berkler
Berkowicz
Berlier
Berlin
Bermejo
Bermeo
Bermingham
Bermingham (Carrick)
Bermond
Bermudes
Bermúdez
Bernabé
Bernal
Bernáldez
Bernales
Bernard (Cork)
Bernard I
Bernard II
Bernardes
Bernardi
Bernardini
Berndt
Berner
Bernet
Berney
Bernhardt
Bernier
Bernowicz
Bernstein
Bernuy
Berre
Berredo
Berrios
Berrocal
Berroeta
Berry
Berry
Berry
Berry
Berry (de)
Berszten
Bertaud
Bertaut
Berthault
Berthe
Bertheaume
Berthelot
Berthet
Berthier
Berthoud
Berti
Bertin
Bertolli
Bertolo
Berton
Bertram
Bertram
Bertram
Bertrand I
Bertrand II
Berwick
Berzewicz
Berzosa
Besançon
Bescós
Besnard
Besora
Besse
Besse
Besset
Besson
Best
Best
Betagh or Beatty
Betancourt
Betanzos
Betham
Bethancourt
Bethell
Bethune
Béthune
Bettencourt
Bettencourt or Bittenco
Bettie
Betts
Betz
Beuf (le)
Beven (or Bevan)
Bevens
Beveridge
Beverley
Bevers
Bevilacqua
Bevis
Bewley
Bey (de
Beyer
Bezanilla
Bezerra
Bezin
Bialachowski
Bialoglowski
Bialokurowicz
Bialoskorski
Bialynia
Bianca
Bianchi
Bianchini
Bianco
Bibersztein
Bickerstaffe
Bickerton
Bickerton
Bickley
Bicudo
Bidault
Biddle or Biddell
Biddulph
Biderman
Bidon
Bidwell
Biedermann
Biedma
Biegaczewicz
Biel
Bielak
Bielikoicz or Bielikowicz
Bieliny
Bienicki
Bieniewiec
Bienkunski
Bigg or Biggs
Biggar
Biggar
Bigot
Bigot
Bilinski
Billard
Billet
Billet
Billing (of Flint)
Billings
Billingsley
Billington (of Flint)
Billon
Bilsland or Bissland
Bindon
Bing
Bingham
Bingham (Earl of Lucan)
Bingley
Bingley (of Flint)
Binning
Birch
Birch (Kilkenny)
Bird I
Bird II
Birkby
Birken
Birkenhead or Birket
Birkhead (Bishop of St Asaph)
Birkinshaw (of Llansannan, Denbighshire)
Birley
Birnie or Birney
Birt (of Llwyndyrys, Cardiganshire)
Birt or Burt
Biscoe
Biscoe
Bishop
Bisley
Bismark
Bissell
Bisset
Bistué
Bithel
Bittner
Bivero
Biwojno
Blacha (Budwicz)
Black
Black
Black
Blackadder
Blackburn
Blacker
Blackerby
Blackford
Blackhall
Blackie
Blackley or Blakey
Blacklock
Blackman
Blackmore
Blackney
Blackstone
Blackwell or Blackwall
Blackwood
Bladen
Blades
Blaidd
Blaidd (AB ELFARCH)
Blaidd (Y Blaidd Rhudd o’r Gest)
Blain
Blair
Blais
Blaise
Blake
Blake (Galway)
Blanc (le)
Blancafort
Blancas
Blanchard
Blanchard
Blanche
Blanchet
Blanchfield (Kilkenny)
Blanco
Bland
Bland (Kerry)
Blandin
Blane
Blanearn
Blanes
Blaney
Blank
Blankenstein
Blasco
Blaw or Blew
Blayney (Elystan Glodrydd)
Blázquez
Bleddyn (AP BLEDRUS)
Bleddyn (AP CYNFYN -Prince of Powys)
Bleddyn (AP MAENYRCH)
Bleddyn (Wales)
Bledri (AP CYDIFOR)
Blegywryd (AP DINAWAL)
Blenkinsop
Blethin (of Shirenewton, Monmouthshire)
Blewet
Blewett (Lords of Raglan)
Bligh
Bligh
Blin
Bliss or Blisse
Blithe or Blythe
Blocase
Blois
Blond (le)
Blondeau
Blondel
Blondel or Blundell
Blood
Blood
Bloom
Bloomfield
Bloore
Blot
Blouin
Blount
Blower
Blumberk
Blumenthal
Blunden (Kilkenny)
Blyth
Bobadilha or Bobadilla
Bobadilla
Bobinski
Bocanegra
Bocanegra
Bochen (Papuga)
Bochnadowicz
Bocking
Bocquet
Bode
Bodek
Bodenham (of Rotherwas, Hereforshire)
Bodfel (of Caernarfonshire)
Bodin I
Bodin II
Bodkin (Galway)
Bodley
Bodula
Boeuf (le)
Bofill
Bog
Bogle
Bogorya
Bohun or Boone
Boil or Boyl
Boileau
Bois (du) I
Bois (du) II
Bois (of Breconshire)
Boiseau
Boissard
Boisset
Boisson
Boisy
Boivert
Boivin
Bojcza or Boycza
Bokeland or Bocklande
Boland
Boland
Bolaños
Bold
Bold (Bowld of Conwy, North Wales)
Bolger
Bolívar
Boloz
Bolton
Bolton
Bombek
Bon (le)
Bonanno
Bonapart
Bonar
Bonarowa
Bonastre
Bonazzi
Bonci
Boncourt
Boncza
Bond
Bond (Longford)
Bonekill
Bonelli
Bonet
Bonetti
Bonfadini
Bonfils
Bongiovanni
Bonham
Bonhomme
Boni
Boniaszewicz
Boniface
Bonin
Bonnaire
Bonnard
Bonnaud ou Bonnault
Bonneau
Bonnefoy
Bonner
Bonnet
Bonneville
Bonney
Bonnier
Bonnot
Bono
Bonomi
Bonomo
Bontemps
Bontine
Bonvile (of Glamorgan)
Booker
Booth
Borbolla
Borbón
Bordeaux
Bordes
Bordier
Borea
Borejko (Boreyko)
Borel
Borges
Borghese
Borghi
Borgne (le)
Borja
Borkiewicz
Borlands
Borlase
Borman
Borough
Borowiec
Borrajo
Borralho
Borrás
Borrego
Borrell
Borron
Borrowman
Borsello
Borski
Borthwick
Bosch
Bosch
Bose
Bosley
Bosquet
Bossard
Bosse
Bost (du)
Bostock
Bostowicki
Boswell
Boswell
Bosworth
Bot (du)
Botafogo
Boteler
Botelho
Botella
Boteller
Boteto
Botham
Bothell
Botilher
Boto
Bott
Botta
Bottini (Bottoni)
Bou
Bouchard I
Bouchard II
Bouchaud
Bouché
Boucher
Bouchet
Boudet
Boudin
Boue
Bouet (de)
Bouffal
Bouffard
Bouffart
Boughton
Bouhier
Bouie
Bouillet
Bouillon
Boulanger
Boulay
Boulet
Boulin
Boult or Bolt
Boulton (of Pembrokeshire)
Bounton
Bouquet
Bouquier
Bourbon
Bourchier
Bourdin
Bourdon
Bourdon
Bourée
Bourg
Bourgeois
Bourgoin
Bourguignon
Bourke (Mayo)
Bourne
Bousquet
Boussard
Bouteiller
Boutet
Boutillier
Boutin
Bouton
Bouvard
Bouvet
Bouvier
Bove
Bovey
Bowden
Bowdler (of Brompton, Montgomeryshire)
Bowell
Bowen
Bowen (of Llwchmeilir, Pembrokeshire)
Bowen (of Pentre Ifan, Pembrokeshire)
Bowen (Queen's Co.)
Bowen (Wales)
Bower
Bower
Bowes
Bowie
Bowler
Bowles
Bowles (of Penhow, Montgomershire)
Bowman
Bowman I
Bowman II
Bowring
Bowyer
Box
Boxe (or Coxe, South Wales)
Boyd
Boydell
Boyer
Boyes
Boylan
Boyland
Boyle
Boyle
Boyle (Herefordshire, m. Hywel Gwyn)
Boynton
Boys
Boyton
Bozawola
Bozena
Bozeniec
Bozezdarz
Brabant
Brabant
Brabazon
Brabazon (Meath)
Bracamonte
Bracci
Brace
Brachet
Bracho
Brackel (or Brakiem)
Brackenbury
Bracy
Bradacice or Bradczyce
Bradburn (e)
Bradbury
Bradbury
Bradden
Bradden or Bredin
Braddock
Bradfield
Bradford
Bradie
Bradley
Bradley
Bradley
Bradshaw
Bradshaw (of St. Dogmaels, Pembrokeshire)
Bradston
Bradwell
Braga
Bragança
Bragg
Bragge or Bragg
Braham
Brailsford
Braint (HIR, of Denbighshire)
Braithwaite
Brama (Oginiec)
Brambilla
Brampton
Bran (AP DINAWAL)
Branch (e)
Brand
Brand
Brand
Brandão
Brander
Brandon
Brandt
Brandys
Branis
Branson
Brant
Braose (or Brewis, Lords of Brecon)
Bras
Brassart
Brassey or Brassy
Bratt
Brault
Braumann
Braun
Braunek
Bravo
Bravo
Bray
Bray
Bray (de)
Bray or Bree
Brayne
Bream (e)
Brechin
Breen
Breen (Kerry)
Brelen
Brémond
Brennan
Brenner
Brenock (Tipperary)
Brent
Brent (of Pembrokeshire)
Brereley or Brierley
Brereton
Brereton (of Borras, Denbighshire)
Breslin
Bresson
Bressy or Bressey
Bret (le)
Breton
Breton
Bretón
Brett
Breuil (du)
Brewer
Brewes
Brewin
Brewster
Breydon or Breyton
Breza
Briançon
Briand
Brickdale (of Conwy, North Wales)
Brickley
Brickman
Bridge
Bridgeman
Bridger
Bridges
Bridges
Brière
Brierley
Briet
Briggs
Brigham
Bright
Brillon
Brimer
Bringham
Bringhurst
Brinken
Brinley
Brinton
Brion
Briones
Briot
Brisbane
Brisco
Brissard
Brisset
Brisson
Bristow
Brito
Broadbent
Broadley
Brocard
Brocas
Brochard
Brochwel (AP MOELYN)
Brochwel (YSGITHROG)
Brochwicz I
Brochwicz II
Brochwicz III
Brock
Brocket
Brockman
Broderick
Brodie
Brodrick
Brodzic
Brogan or O'Brogan
Brokkas or Brocas
Brome
Bromfield
Bromhall
Bromley
Bronic
Bronikowski
Bronikowski (Version 2)
Brooke
Brooks
Brooksbank
Brosnan
Brossard
Brosse
Brosset
Brossier
Brothers
Brouart or Brouard
Brough
Brough
Brougham
Broughton
Broughton (of Broughton, Bishops Castle)
Broun
Brousse
Brown
Browne
Browning
Brownrigg
Brozek
Bruce
Brulé
Brulle
Brullet
Brulley
Brun (le)
Brune (de)
Bruneau
Brunel
Brunet
Bruni
Brunner
Brunnow
Brunot
Brunszwicki
Brusati
Bruslé or Brulé
Brutus (AP JULIUS AB ASCANIUS)
Bruyère
Bruyne (of Cardiganshire)
Bryan
Bryan (Lord of Laugharne, Carmanthenshire)
Bryce
Bryson
Brzezecki
Brzezewski
Brzezowski
Brzuchowiecki
Brzuska
Buchan
Buchanan
Bucher
Buchet
Buchner
Bucholc
Buchowiecki
Buchwald
Buchwald
Buck
Buck
Buckeley or Bulkley
Buckfield
Buckholtz
Buckingham
Buckland
Buckle
Buckler
Buckley
Buckley
Bucknall or Bucknell
Buckton
Buckworth
Budge
Budwicz
Budwinski
Bueno
Bugge
Bugge or Bugg
Buhl
Buhler
Buisson
Bukowczyk
Bukowski
Bukraba
Bulat
Bulharyn
Bulkeley (of Anglesey)
Bull
Bull (of Oswestry)
Bullen
Buller
Bullmer or Bulmer
Bullock
Bunbury (Carlow)
Bunkell or Bunell
Bunn
Bunny or Bunney
Bunting
Burchett
Burden
Burdett
Bureau
Buren
Bures
Burford
Burg
Burger
Burges
Burgès
Burges (Westmeath)
Burgh (Limerick)
Burgh (Lord of Mawddwy)
Burghill (Lord of Crickhowell)
Burgos
Burguillos
Burke
Burke
Burkhardt
Burley
Burnell
Burnell
Burnett
Burnham
Burns
Burns
Burnside
Burr
Burrell
Burrough
Burroughs
Burroughs (Cavan)
Burrow
Burrows
Bursztyn
Burt
Burtin
Burton
Bury
Burzecki
Bus (du)
Busch
Buseck
Bushby
Bushe
Bushnell
Busquet
Busquets
Bussey
Busson
Bustamante
Bustos or Busto
Butler
Butler
Butler
Butler (or le Boteler, of Glamorgan)
Butter
Butter (of Flint)
Butterfield
Butterworth
Butterworth
Button (of Worlton, Glamorgan)
Bychowiec
Bychowski
Byers
Byfield
Byrbeck (Vicar of Lamphey, Pembrokeshire)
Byres
Byron
Caballa
Caballería
Caballero
Cabañas
Cabanilles or Cabanillas
Cabanyelles
Cabanyes
Cabeça
Cabedo
Cabello
Cabezas
Cabezón
Cabot
Cabot
Cabra
Cabral
Cabrales
Cabreira
Cabrera
Cabrita
Caccini
Cáceres
Cáceres
Cacho
Cackowski or Czaczkowski
Cadalso
Caddell
Cade
Cadell (King of Powys)
Cadena
Cader
Cadet
Cadier
Cadiou or Cadieu
Cadogan
Cadot
Cadrod (CALCHFYNYDD)
Cadrod (HARDD)
Cadwaladr (FENDIGAID, King of Gwynedd)
Cadwallon (AP MADOG)
Cadwell (Dublin)
Cadwgon (AB ELYSTAN GLODRYDD)
Cadwgon (AP BLEDDYN AP CYNFYN)
Caeiro
Cagan
Cage
Cahill
Caillaud
Caille
Caillet
Caillon
Caillot
Caillou
Caín
Caine
Cainho
Caird
Caire
Cairncross
Cairnie
Cairns
Cajal
Cala
Calabresi
Calaça
Calado
Calahorra
Calandra
Calasanz
Calatayud
Calatrava
Calça
Caldas
Caldecot
Caldeira
Caldeirão
Calder
Caldera or Caldeira
Calderón I
Calderón II
Calderwood
Caldwell
Caleja
Calella
Calera
Calheiros
Calienes
Callaghan
Callander
Callander
Calley
Callinan
Callis
Callot
Callow
Calonne
Calthorp or Calthrop
Calton
Calverley
Calvert
Calvet
Calvillo
Calvo
Calvo or Calvos
Calzada
Calzadilla
Calzier
Camacho
Camacho
Camanho
Camaño
Camara
Cámara
Camber (AP BRUTUS)
Cambier
Cambray
Camden
Camelo
Camero
Cameron
Caminero
Camino
Camisão
Camões
Campagne
Campana
Campbell
Campeau
Campillo
Campion
Campion
Campo
Campo
Campo
Campoamor
Campolo
Campoo
Camporesi
Campos
Campos
Camps (des)
Campuzano
Camus
Camus I
Camus II
Camville (Lords of Llansteffan)
Canal
Cañas
Cancino
Candiani
Canelas
Canera
Caneston (of Pembrokeshire)
Canfield
Canga or Cangas
Canillas
Cañizares
Cann
Canning
Cannon
Cano
Canon (of Haverfordwest)
Canonici
Canossa
Cánovas
Cant
Cantell
Cantelli
Cantelupe (Lord of Abergavenny)
Cantington (of Trewilym, Pembrokeshire)
Cantlowe
Canto
Canto
Canton
Canton
Cantón
Cantos
Cantwell
Cão
Caparrós
Capdevila
Capece
Capell
Capella
Capelli
Capmany
Capper
Capponi
Capps
Capra
Caprach (Lord of Trecaprach, Gwent)
Capua
Caputo
Caradog (FREICHFRAS -Earl of Hereford)
Caralt
Caravello
Carballo
Carbery
Carbone
Carbonell
Carbonell I
Carbonell II
Carbonneau
Carbonnier
Carcabuey
Cárcamo
Carcano
Carcasona
Card
Cardell
Cardelli
Carden (Tipperary)
Cárdenas
Cárdenas
Cardiff (Sir Walter, Glamorgan)
Cardiffe
Cardim
Cardinal
Cardinal or Cardinall
Cardon
Cardona
Cardoso
Carducci
Cardwed (of Twrcelyn, Bangor)
Careaga
Carelli
Carette
Carew
Carew (of Pembrokeshire)
Carey
Carey or O'Keary
Carfrae
Cargill
Cari
Carkham (Dublin)
Carl
Carleton (Clare, Cork)
Carleton or Charlton
Carli
Carlier
Carlill or Carlisle
Carlin
Carlyle
Carmarthen (Priory of St John the Evangelist)
Carmichael
Carmick (Kilkenny)
Carmona
Carmona
Carne (of Nash and Ewenni, Glamorgan)
Carne (Wales)
Carnegie
Carneiro
Carnero
Carnes
Carney (Athlone)
Carnicero
Caro
Caron
Carpenter
Carpentier
Carr
Carr
Carranza or Carrancá
Carrasco
Carrasco
Carré
Carregosa
Carregueiro
Carreiro
Carrel
Carrell
Carreño
Carreras
Carrère
Carrick
Carrier
Carrier
Carrière
Carrilho
Carrillo
Carrington
Carrio
Carrión
Carron or Caron
Carruthers
Carse
Carstairs
Carsten
Carswell
Carter (Meath)
Cartier
Carton
Cartwright
Cartwright
Caruso
Carvahal
Carvajal
Carvalho
Carvell
Carver
Carwood
Cary
Casals
Casanova
Casares
Casas
Casco
Cascos
Case
Casqueiro
Cass
Cassado
Cassels
Cassey
Castagna
Castañeda
Castañer
Castanheda
Castanho
Castaños
Castejón
Castel
Castel Branco
Castell
Castellani
Castellanos
Castellblanch
Castelli
Castelló
Castelo or Castello
Caster
Castilho
Castilla
Castille
Castillo I
Castillo II
Castillon
Castle
Castle (Pembrokeshire)
Castleman
Castlemartin (alias Grace, Pembrokeshire)
Castner
Caston
Castro
Castro
Caswallon
Catalá Catallán
Catanho
Catchmay (of Monmouthshire)
Catena
Cater
Caterall
Catesby
Catharne (of Prendergast)
Cathcart
Catherine
Catlin
Catta
Cattaneo
Cattell
Catton
Caudron
Caumont
Causton
Cavalcanti
Cavaleiro
Cavalier
Cave
Cavendish
Cavero
Cavia
Caviedes
Caw
Cay or Kay
Cayuela
Cazier
Cazorla
Cea
Ceballos
Cecchi
Cecchini
Ceceniowski
Cecil (of Skenfrith, Monmouthshire)
Cecile
Cecill
Celis
Cellier
Cellini
Celynin (AP RHIRID )
Cenau (AP COEL GODEBOG)
Centeio
Centelles
Cepeda
Cerda
Cerdá
Cerda (de la)
Cerdán
Ceredig (Lord of Ceredigion)
Cerezo
Cernache
Cerón
Cerqueira
Cerutti
Cerveira
Cervera
Chabaud
Chabert
Chabot
Chabrier
Chace
Chacim
Chacón
Chadwick
Chaillou
Chaix
Chalecki
Chalmers
Chaloner
Chaloner (of Denbighshire)
Chamberlayn
Chambers
Chambers
Chambers (of Denbighshire)
Chambon
Chamorro
Champagne
Champion
Champion
Champs (des)
Chancellor
Chancey
Chandler
Chane
Chanoca
Chanocca
Chanteloup
Chantrel (of Rhuddlan, Flint)
Chantrell
Chapelain
Chapelle (de la)
Chapín
Chaplan
Chaplin
Chapman
Chapman
Chapon
Chappell
Chapuis
Charbonneau
Charbonnel
Charbonnier
Chardon
Charette
Charles
Charles
Charles
Charlet
Charlier
Charlot
Charnell
Charnock (e)
Charon
Charpentier
Charrier
Charteris
Chartier
Charvet
Charyton (Charytonowicz)
Chastel (du)
Château (du)
Châtel (du)
Châtelain
Chatelet
Châtillon
Chattan
Chatterton
Chaucer
Chaudet
Chaumont
Chauveau
Chauvel
Chauvet
Chauvin
Chaves
Chaves
Chávez
Chemin (du)
Cheney
Chenier
Chenu
Chepstowe (Monmouthshire)
Cherleton (or Charlton-Lords of Powys)
Cheron
Chery
Chesne (du)
Chesneau
Chesnel
Chesnes (des) ou Desquesnes
Chessells
Chester
Chesterfield
Chesworth
Chevalier I
Chevalier II
Chevrier
Cheyne
Chichester
Chico
Chicote
Chiesly
Child
Childers
Chilton
Chirac
Chirnside
Chiron
Chisholm
Chlibkiewicz
Chlusowicz
Chocimirski or Chocimierski
Chodkiewicz
Cholet
Cholewa
Cholewiec
Cholmeley
Choloniewski
Chomato
Chopin
Chorabala
Choragwie (Kwitow)
Chosnicki
Chowne
Chrétien
Christall
Christian
Christie
Christophe
Chromy
Chroniewski
Chrynicki
Chrzanski
Chunowski
Chupin
Churchill
Churchman
Chute
Chylinski
Ciccarelli
Cichinski
Cielatkowa
Cienciewicz
Cietrzew
Cieza
Cifuentes
Cigala
Cilmin (TROED-DDU)
Cima
Ciolek
Cipriani
Cirne
Cisneiros
Cisneros
Cisternas
Ciurana
Claire
Clapham
Claraco
Claramunt
Clare
Clare (Lords of Glamorgan)
Claret
Clariana
Clark (or Clerk)
Clarke
Clarke (of Flint)
Clarkeson
Clarksone
Claude
Claudet
Claussen
Clavel
Claver
Claver
Clavering
Claverol
Clavier
Clavijo
Claxton
Clay
Clayhills
Clayton
Cleare (Dublin)
Cleaver
Clegg
Cleghorn
Cleland
Clement
Clement (of Cardiganshire)
Clement I
Clement II
Clemente
Clemente
Clementi
Clements (Leitrim)
Clench
Clephan or Clephane
Clerc (le) I
Clerc (le) II
Clercq (de)
Clermont
Clifford
Clifford (of Herefordshire)
Clifton
Clinton
Clinton (Louth)
Clive or Cleve
Cloarec
Cloddien (AP GWYBEDYDD)
Clogstoun or Clogston
Clopton
Clos
Clos (du)
Close
Clouet
Clough
Clough (of Denbighshire)
Cloutier
Clunes
Clyton
Coane
Coates
Cobb
Cobell
Cobham
Cobos
Coburg
Coche
Cochet
Cochrane
Cock
Cockburn
Cocke
Cocker
Cockie
Cocks or Cocke
Cocq (le)
Codd
Codd (Wexford)
Coe
Coedmor (Baron of, Cardiganshire)
Coel (or Coilus, self declared King of Britain)
Coelho
Coello
Coetmor (of Llanllechid, Caernarfonshire)
Coety (Lords of Coety, Glamorganshire)
Coeur
Coffey
Coffin
Cogan
Cogan (of Cogan, Glamorgan)
Cogan or Gogan
Coghill
Cogominho
Coimbra
Coin (du)
Colaço
Colas
Colbert
Colby
Cole
Cole (Kildare)
Coleman
Colepeper or Culpeper
Coley
Colin I
Colin II
Coll
Coll (of Pembrokeshire)
Collantes
Collard
Collard
Collen or Collings
Colless
Collet
Collett
Collier
Collignon
Collin
Collingwood
Collins
Collins
Collinson
Collison
Collow
Coloma
Colomb
Colombier
Colomer
Colomina
Colón
Colonna
Colquhoun
Colshil
Colston
Colt
Colt or Coult
Colton
Columbo
Colvile
Colville
Combe
Combe
Combe (de la)
Combes
Comeau
Comerford (Wexford)
Comes
Compagnon
Company
Compton
Comrie or Comrey
Comte (le) I
Comte (le) II
Comyn
Con or Conn
Concannon
Conde
Condon
Congilton or Congalton
Congreve
Connery
Connolly
Conrad
Conroy or O'Mulconry
Constable
Constant
Constantin
Constantius (or Constantine)
Conte (le)
Conti
Contreiras
Contreras
Conway
Conwy (of Bodrhyddan, Flint)
Conyers
Cook
Cook (e)
Cooke (Kilkenny)
Cooke (Sir Walter, through marriage)
Cookesey
Cookson
Cooper
Cooper
Coote
Cope
Copeland
Copin
Copinger
Copland or Copeland
Copley
Copons
Coppinger
Coppola
Coq (le)
Cor
Corbet
Corbet
Corbet (of Cawrse, Montgomeryshire)
Corbet (Shropshire, Medieval Welsh Rolls)
Corbett
Corbin
Corbin or Corben
Corcoran
Corcuera
Cordeiro
Cordell
Corder
Cordero I
Cordero II
Cordes
Cordier
Cordon
Cordonnier
Córdova
Córdova I
Córdova II
Cordovil
Corelha
Corella
Corella
Corelli
Corey
Corineous (Duke of Cornwall, Companion of Brutus)
Cormier
Cornell
Cornellá
Cornet
Cornewall (Barons of Burford)
Cornish
Cornu
Cornwall
Coronado
Coronel
Corrado
Corral
Corre (le)
Correa
Correia
Corrie (Corry)
Corry
Corry (Earl of Belmore)
Corsar
Corsby
Corser
Corstophine
Corte-Real
Cortés
Cortês
Cortina
Corvacho
Corveira
Corvera
Cossé
Cosson
Costa
Costa
Coste (de la)
Costello
Costello
Cota or Cotta
Cotera
Cotrim
Cotter
Cottin
Cotton
Cotton
Cottrell
Couceiro
Couderc
Coudert
Coudray
Coulon
Coulson
Couper
Cour (de la)
Cournoyer (Hertel de)
Court (de la)
Courtin
Courtney
Courtney
Courtois
Courvoisier
Cousin
Cousin (s) or Cosyn
Cousland
Coutinho
Couto
Couttant
Coutts
Couturier
Covell
Coventry
Cowan or Coun
Coward
Cowley
Cowley
Cowlson or Coulson
Cowper
Cowryd (AP CADFAN)
Cox
Cox
Cox
Cox (of Norton, Monmouthshire)
Coys (of Great Llanmelin, Monmouthshire)
Crab or Crabbe
Crabbie
Craddock
Cradock (of Newton, Pembrokeshire)
Cradock (of Swansea)
Craigdaillie or Craigdallie
Craigge
Craigie (or Craig)
Craigmyle
Craik
Cramer
Cramond
Crane
Crane I
Crane II
Cranfield
Cranmer
Cranstoun
Cranwell
Crato
Craven
Craw
Crawford
Crawley
Creagh
Creed
Creigh or Creich
Creighton
Crema
Crepin
Crespi
Crespi
Crespin
Crespo
Cressey or Cressy
Creswell
Creswick
Creton
Crevequer (or Crevecoeur, Flint)
Crew (of Holt, Denbighshire)
Crewe
Crichton
Criery
Crinan or Cringan
Crispe
Crispin
Cristiani
Croce
Crockett
Crocq (du)
Croe
Croft
Crofton
Crofton
Croix (de la)
Croke
Croke
Croke or Crink
Cromer
Cromie or Crombie
Crompton
Cromwell
Crook (e)
Cros (du)
Crosbie
Crosbie
Crosbie (Queen's Co.)
Crosley
Cross
Cross
Crossman
Crothers (Tyrone)
Crouzet
Crow or Crowe
Crowder
Crowther
Croxton
Cruickshank
Crull
Crumbe or Crumbie or Crombie
Crump
Cruz
Cuadra or Quadra
Cuadrado
Cuartas
Cubelos
Cubillos
Cuéllar
Cuenca
Cuervo
Cueva
Cuevas
Cuhelyn (FARDD -of Cemais, Pembrokeshire)
Cuhelyn (OF MOCHNANT, Denbighshire)
Culane or Culline
Cullen
Cullow
Cumberland
Cumming
Cunedda (WLEDIG)
Cunha
Cunliffe
Cunningham
Cuny (of Welston, Pembrokeshire)
Curling
Currel or Curle
Curren
Currie
Currie
Curror
Curson
Curti
Curtin
Curtis
Cusack (Meath)
Cushney
Cusson
Cuthbert
Cutlas
Cutts
Cuvelier
Cuvilliers
Cwrtais (Courteys, Curthoyse, Curtis)
Cydifor (AP DINAWAL)
Cydifor (AP SELYE -King of Dyfed)
Cydifor (FAWR)
Cyffin (or Kyffin, of Oswestry)
Cylynin (of Powys)
Cynan (AB ELFYW -Father of Marchudd)
Cynan (AB IAGO)
Cynchwr (lord, of Ireland)
Cynfelyn (AP DOLFFIN)
Cynfin (AP GWERYSTAN)
Cyngiel
Cynwrig (FYCHAN -or CWNWS DDU)
Cynwrig (SAIS)
Cyrus
Cywilkowski
Czaderski
Czapla
Czarlinski
Czarnecki I
Czarnecki II
Czarnowron
Czernyszew
Czeszewski
Czewoja
Czirson
Czochron
Czudnochowski
Czuwasz
Czyczwitz
Dab
Dabor or Dobor
Dabrowa
Dabrowski
Dacre
Dade
Dafydd (AP CARADOG)
Dafydd (AP LLYWELYN -Lord of Denbighshire)
Dagès
Dagget (t)
Daile
Dalby
Dalden (of Penarth, Glamorgan)
Dale
Dalgleish
Dalinski
Dallas
Dalling
Dallmer
Dalmahoy
Dalmonte
Dalrymple
Dalton
Dalton
Dalton (Sir Richard of Althorp, through marriage)
Dalzell
Damiani
Danbury
Danby
Dance
Dancey or Dancy
Dandini
Dandolo
Dandridge
Dandy
Dane
Danford (Monmouthshire)
Daniel
Danieli
Daniell
Daniell
Danielston
Dannere or Danner
Dansa
Danskine
Dantyszek
D'Anvers
Dar
Darby
Darcy
D'Arcy
Dardes or Dardis
Dare
Dargolewski
Darley
Darley (Dublin)
Darling
Darnell
Darras
Darrell
Darroch
Darwin
Dash
Dashwood
Daszkiewicz
Dato
Dauer
Daunt
Dauphin
Davenport
Davenport (Cheshire and of Denbighshire)
David
Davidson
Davies
Davies (of Caerhun, Caernarfonshire)
Davies (of Chester)
Davies (Robert of Gwysanau, Flint)
Davis
Davis (Kildare)
Davy
Dawes
Dawkin (of Abergavenny, Monmouthshire)
Dawkins (of Laugharne, Carmarthenshire)
Dawney
Dawson
Dawson
Dawson
Dawson (Derry)
Day
Daylwyn (or Bushe)
Dayton
Deacon
Dean (e)
Dean (Galway)
Dean (of Marcross, Glamorgan)
Deans
Dearman
Deas
Dease (Westmeath)
Deasy
Debicz
Debno
Deborog
Decker
Dee
Deering
Dehany or Doheny
Deheubarth (South Wales, Princes of)
Dehn
Delabere (of Kinnersley and Tibberton, Herefordshire)
DeLacy or Lacy
Delafield
Delahay
Delahay
Delahay (of Breconshire)
Delahyde (Meath)
Delamare
Delamare (of Oxwich, Gower)
Delamere
Delap or O'Lappin (Donegal)
Delfín
Delfini
Delgadillo
Delgado
Delgado
Delicado
Delmas
Delorme
Delpacy
Delvecchio
Delves
Dempsey
Dempster
Den
Deneband (or DENEBAUD, of Gwent)
Denham
Denham
Denhof
Denis
Denis
Denman
Denn (Kilkenny)
Dennehy
Denner
Dennis
Dennis (or DENNYS, DENEYS, Glamorgan)
Dennis (Waterford)
Dennistoun
Denny
Denny
Dent
Dente
Denton
Denver
Derby
Dering
Dermont
Dern
Derrien
Dersch
Desboch
Desbois
Deschamps
Desgüell
Deshayes
Desjardins
Deskur or Deskour
Desmarais
Despí
Desprez
Despuig
Despujol
Deszpot
Devaux
Devereux
Devereux (of Weobley, Herefordshire)
Devereux (Wexford)
Devers or Deveris
Deville
Devlin
Devos
Dewald
Dewar
Dewhurst
Dewi Sant (Saint David)
Deza
Diago
Diamond
Dias I
Dias II
Díaz I
Díaz II
Dick
Dick (Antrim and Derry)
Dickinson
Dickman
Dickmann
Dicksen or Dickson
Dickson
Dickson
Dickson (Dublin)
Didier
Diebold
Diego
Diehl
Dietrich
Dietz
Díez
Diezma
Digby
Digby (Dublin)
Diller
Dillon (Westmeath)
Dinawal (Descended from Tydwal Gloff)
Dingwall
Dini
Diosdado
Dirom
Dishington
Disney
Disney (Armagh)
Ditmar
Dixon
Dixon (Dublin)
Dlugajski
Dobb
Dobbie
Dobbin (Armagh)
Dobbs or Dobbes
Dobenek
Doblas
Dobrorad
Dobruski
Dobson
Dobyns or Dobbins
Dod (d)
Dodd
Dodge
Dodington
Dodson
Dodsworth
Dodwell
Doeg
Dogaldo
Dogget
Doherty
Dolben (of Segrwyd, Denbighshire)
Dolby
Dolce
Dolcetti
Dolci
Dolcini
Dolega
Dolezel
Doliva
Doliwa
Dolling
Dolman
Dolmat
Dolszkiewicz
Domecq
Doménech
Domenici
Domingo
Dominguez
Domont
Don
Don
Don (or Donne-of Utkington, Cheshire)
Donaire
Donald
Donaldson
Donat
Donati
Doncel
Doni
Donimirski
Donini
Donis
Donoghue
Donoso
Doppler
Dorante
Dorcas
Dorchowski
Doré
Doregowski
Doría
Dória
Dóriga
Doring
Dormer
Dormer (Wexford)
Dorn
Dorpowski
Dorset
Dorset (Sackvile)
Dorzym
Dosma
Dosrius
Dostojewski
Dot
Dotti
Dotto
Doubleday
Doucet
Dougall
Doughty
Douglas
Dove
Dover
Dow
Dowall
Dowall
Dowdall (Dublin and Louth)
Dowgird
Dowman
Downes
Downes
Downey
Downie or Downy
Downing
Dowse or Douse
Doyle
Drach
Dragão
Drago
Drago
Drake
Drake (Wexford)
Drangwitz
Draper
Drax
Draycott
Drayton
Drechsler
Dreghorn
Dressler
Drever
Drew
Drobysz
Drogomir
Drogoslaw
Droste
Drouet
Drouin
Dru
Druck
Drummond
Drury
Drury or MacDrury (Carlow)
Druzbacki
Druzyna
Dryden
Dryhurst (of Denbighshire)
Dryja
Drysdale
Drzewica
Duarte
Dubé
Dubina
Dubois I
Dubois II
Dubost
Dubourg
Dubreuil
Duc (le)
Duchemin
Duchesne
Duckett
Duclos
Duddington
Dudley
Dueñas
Duero
Duff
Duffield
Dufour
Dugdale
Duggan
Dugué
Duguid
Duhamel
Duhamel
Dujardin
Duke
Dulak
Dulce
Dulicz
Dulski
Dumas
Dumay
Dumbreck
Dumont
Dumoulin
Dun
Dun (or DONNE, Sir Daniel)
Dunbar
Duncan
Duncanson
Duncombe
Dundas
Duniewicz
Duninowski
Dunlop
Dunn
Dunning
Dunphy
Dunse
Dunsmure or Dunmure
Dunston
Dupin
Duplessis
Dupont
Duprat
Dupré
Dupuis
Dupuy
Duque
Duquesne
Durán
Durand
Durant
Durant
Durant (of Redwick, Monmouthshire)
Durão
Durazzo
Durer
Duret
Durham
Durham
Durie
Durieux
Duriez (Riez (du))
During
Durr
Durward
Dutczynski
Dutertre
Duthie
Dutton
Dutton (of Dutton of Cheshire)
Duval (Val (du) I
Duval (Val (du) II
Dwnn (DON of Croesallgwn, Carmarthenshire)
Dyakowski
Dyer
Dyer (of Haverfordwest, Carmarthenshire)
Dyer (of Pembrokeshire)
Dyfnwal (MOELMUD)
Dyfrig (Dubricius, Saint)
Dymsza
Dyson
Dzialosza
Dzialynski
Dzianot
Dzieciol
Dziedziul
Dziewunty
Dziob
Dziobek
Dziryd
Dziuli
Dzwonki
Eades
Eagar (Kerry)
Eaglesham
Eardley
Earley or Erly
East
Easton
Easton or Eiston
Eastwood
Eaton
Eberhard
Ebert
Ebert
Eça
Eccles
Eccleston
Echagüe
Echániz
Echanove
Echávarri
Echeberría
Echegaray
Echenique
Echevarría or Echebarría
Echingham
Echlin
Echlin (Kildare)
Écija
Eckfoord
Eckhardt
Eckley
Eden
Edgar
Edgar
Edge
Edgell
Edie or Edy
Edington
Edmond (AP MERYTH)
Edmonds
Edmonstone
Edmunds
Ednyfed (FYCHAN)
Ednywain (AP BRADWEN)
Ednywain (BENDEW)
Edward
Edward (AP JOHN WYNN AB IEUAN)
Edward (AP RHYS)
Edwards (of Chirk, Denbighshire)
Edwards (Wicklow)
Edwards I
Edwards II
Edwin (AP GRONWY -King of Tegeingl)
Edwin (Wales)
Egea
Egerbide
Egerton
Eglington
Eguía
Eguino
Eguizábal
Eguren
Ehler
Eichel
Eichmann
Eidio (WYLLT -Lord of Llywel, Breconshire)
Einion (AP CARADOG)
Einion (AP CELYNIN -of Llwydiarth)
Einion (SAIS -AP RHYS AP HYWEL)
Einudd (GWERNGWY -of Dyffryn Clwyd)
Eisenhardt
Eissner
Eizaga
Eizaguirre
Ejgierd
Elbeth (William, Lord of, or d'Elboeuf)
Elcano
Elder
Eldred
Eleizalde
Elejalde
Elfinn (AP GWYDDNO)
Elford
Elgorriaga
Elguezábal
Elía
Elian (GEIMIAD, Saint)
Elicott
Elidir (DDU -Sir, knight of the Sepulchre)
Elingham
Elío
Eliot
Eliot (of Erwer, Pembrokeshire)
Elizalde
Elizondo
Ellerker
Elliot
Elliott (Dublin)
Ellis
Ellis
Ellis
Ellis (of Alrhe, Flint)
Ellison
Elliston
Ellwood
Ellys (of Denbighshire)
Elme or Ellem
Elmer
Elordi
Elorriaga
Elorza
Elphinstone
Elsner
Elsner
Elton
Elvin or Elwin
Elwes
Elwood (Mayo)
Elystan (GLODRYDD)
Elzanowski
Emberk
Emerson
Emery
Emiliani
Emmet
Emsley or Emslie
Ena
Encinas or Encina
Enciso
Engel
Engelberg
Engelberger
Engelbrecht
English
English (Dublin)
Enlli (of Lleyn)
Ennis (Westmeath)
Enríquez I
Enríquez II
Entenza
Entralgo
Epinger
Epps or Epes
Epstein
Ercilla
Erhard
Ernst
Ernulph (of Brynbuga, Monmouthshire)
Errea
Errington
Erskine
Erskine
Erthe
Erwin
Escalada
Escalante
Escalera
Escalona
Escama
Escamilla
Escobar
Escobar or Escovar
Escoffier
Escolano
Escrivá
Escudeiro
Escudero
Esmeraldo
Esmond
Esmonde (Wexford)
Esneau
Espada
Espargosa
Esparza
Espasa
Esper
Esperon
Espés
Espigol
Espín
Espinar (de l')
Espínola
Espínola or Spinola
Espinosa
Espínosa I
Espínosa II
Esplugues
Esposito
Esquerdo
Esquerrer
Esquivel
Esquível
Essen
Essex
Essington
Esslinger
Estaña
Estañol
Este
Esteban
Estébanez
Estela
Estella
Estève
Esteves
Estévez
Estken
Estrada
Ethlington
Étienne
Eugeni
Eure (Commander of Slebech, Pembrokeshire)
Eustace
Eustace (Viscount Baltinglass)
Eva
Evangelho
Evangelisti
Evans
Evans (of Chester)
Evans (of Is-coed, Flint)
Evans (of Montgomeryshire)
Evans (Wales)
Even
Everard
Everard (Meath)
Everett
Everhard
Everingham
Evers
Evers
Evers (Wexford)
Everton
Eves
Evett
Evrard
Ewald
Ewart
Ewing
Exmewe (of Ruthin, Denbighshire)
Eynon (of Norchard, Pembrokeshire)
Eyre
Eyre (Galway)
Eyton (of Denbighshire)
Ezperun or Esperón
Ezquerra
Fabbri
Fabbrini
Faber
Faber
Fabian
Fabianni
Fabra
Fabre
Fábregas
Fabris
Fafes
Fagan
Fages or Faguez
Fagnani
Fagundes
Fair
Fairbairn or Fairburn I
Fairbairn or Fairburn II
Fairfax
Fairfax
Fairfield
Fairfowl or Fairfoul
Fairholm
Fairlie
Fairweather
Faivre
Fajardo
Fajardo
Falcão
Falce
Falcés
Falck
Falcó or Falcón
Falcon
Falconer
Falconer
Falconi
Falkenberg
Falkiner (Tipperary)
Falkner
Fall
Falls (Dublin)
Falshaw
Fane
Fañez
Fanning (Tipperary and Waterford)
Fano
Fanshaw
Fant or Fonte
Fantini
Farensbach
Faria
Faria
Farie
Farina
Farinha
Farley
Farmer
Farnese
Farnham
Faro
Farquhar
Farquharson
Farrant
Farrar or Ferror
Farrés
Farrier (of Carmarthenshire)
Farrington
Fatta
Fattori
Faucher
Faulkner
Faure
Faust
Favereau
Favier
Favre
Fawcett
Fawside or Fawsyde
Fayolle
Fazenda
Febrer
Fedelli
Federer
Federici
Fehr
Feijó
Feijóo
Feio or Feyo
Felber
Feld
Feld
Felgeira
Felgoso
Felici
Feliciani
Feliú
Félix
Fell
Fellowes
Felsztynski
Feltham
Felton
Fender
Fenn
Fenner
Fennison
Fenton
Fenton
Fenton
Fenwick
Fenzi
Feo
Fera
Ferber
Ferber
Fergusson
Fernandes
Fernández I
Fernández II
Ferne
Fernie
Feron or Ferron
Ferra
Ferrá
Ferráez
Ferragut
Ferrán
Ferrand
Ferrández
Ferrándiz
Ferrando
Ferrante
Ferranti
Ferrão
Ferrar (Bishop of St David’s)
Ferrari (or Ferraro)
Ferraz
Ferraz or Farraz
Ferré
Ferreira
Ferrer
Ferrer
Ferrera
Ferrers
Ferretti
Ferri
Ferrier
Ferrier
Ferris
Ferro
Ferrús
Ferry
Fetherstone
Fettes
Fèvre (le)
Fevrier
Fidalgo
Field
Field (Dublin)
Fielding
Fieldler
Fierro
Fievez
Fife
Figini
Figueira
Figueiredo
Figueiroa
Figueras or Figuera
Figueroa
Figuerola
Filangeri
Filera
Filipe
Filippini
Fillion
Fin
Finch
Finck
Findlay or Finlay
Fines
Fines
Finglas
Finkel
Finlayson
Finnie
Fioravanti
Fiore
Fiorenza
Fioriani
Fiorini
Fiorio
Fisch
Fischer
Fish
Fishborn or Fishburn
Fisher
Fisher
Fisher (Cork)
Fisher (of Carmarthenshire)
Fitch
Fithie
Fitton
Fitzalan (alias Viell)
Fitz-Allen
Fitz-Awry
Fitz-Edmonds
Fitz-Eustace
Fitz-Garrett
Fitz-Gerald
Fitzgerald
Fitz-Gibbon
Fitzhamon (conquered Glamorgan)
Fitz-Harris
Fitzharry (of Wales)
Fitz-Henry
Fitzhenry (of Pembrokeshire)
Fitz-Herbert
Fitzjohn
Fitz-John
Fitz-Maurice
Fitz-Nicoll
Fitz-Oliver
Fitzpain (of Llanfair, Monmouthshire)
Fitz-Patrick
Fitzpatrick
Fitz-Pearce
Fitz-Rery
Fitz-Rice
Fitz-Rith
Fitz-Roe
Fitz-Row
Fitz-Simons
Fitzwarin (Lords of Whittington)
Fitz-William
Flamand
Flament
Flanders
Flannery
Fleche
Fleet
Fleetwood
Flegg
Fleischmann
Fleisher
Fleming
Fleming
Fleming
Fleming (of Flimston, Glamorgan)
Flemming
Fletcher
Fletcher
Fletcher (of Denbighshire)
Fletcher (of Treborth, Caernarfonshire)
Fleury I
Fleury II
Fleury or Furey
Flint
Flint
Flint (lord of)
Floc'h (le)
Flood (Kilkenny)
Flor
Florani
Flores
Flórez or Flóres
Florio
Flory or Fleury
Flower (s)
Floyd or Fludd
Fludd (Thomas, of Kent, family of Welsh origin)
Fogaça
Fogg (e)
Fogo
Foios
Foley
Folgeveder
Foliot
Folliott (Sligo)
Fonseca
Fonseca
Fonseca
Font
Fontaine
Fontaine (de la)
Fontaine I
Fontaine II
Fontana
Fontana
Fontana
Fontaneda
Fontanella
Fonte
Fonte
Fontecilla
Fontes
Fontes
Foord
Foote
Forbes
Forcia
Ford
Ford
Forde
Forden (of Forden, Montgomeryshire)
Fordham
Fordyce
Fordyce
Forest
Forest (de la)
Forestier
Forge (de la)
Forman
Forman
Fornari
Forner
Fornier or Fournier
Forrest
Forrester
Forstall (Kilkenny)
Forster
Forster or Foster
Forsyth
Fort
Fort (of Llansteffan, Carmarthenshire)
Fortescue
Forth
Fortin I
Fortin II
Fortuna
Fortuño
Fortuny
Forward
Foschi
Fotheringham
Foucault I
Foucault II
Foucher
Fougère
Fouler or Fowler
Foulis
Foulkes (of Ereifiad, Denbighshire)
Foulkes (Wales)
Foulon
Fountain
Fouquet
Four (du)
Fourcade
Fournier
Fowell or Vowell
Fowler
Fowler (Daughter m. Vaughan of Pant-glas)
Fownes (Kilkenny)
Fox
Fox
Fox or Sionnach
Foxall
Foxall (of Foxall, Denbighshire)
Foxley
Foxley (Hugh, m. Margaret Pigot)
Foxwith (of Caernarfonshire)
Fracki
Frade
Fraga
Fragoso
Fraguas
Fraisse
Frampton
Franc (le)
França
France (de)
France (de) or Lafrance
Frances
Frances
Franceschi
Franceschini
Francey
Franchi
Francini
Francis
Franck
Francken
Franco
Franco
Franco
Francois I
Francois II
Francone
Frank
Frank
Frank or Franke
Frankland or Franklin
Franklin (of Gower)
Frankton (Daughter m. Madog Kynaston)
Franz
Fraser
Fraser of Lovat
Fratta
Frazão
Frechillo
Frederick
Freebairn
Freeland
Freeman
Freeman (Cork)
Freeney
Freer
Freire
Freire
Freitag
Freitas
Freke
Freke
Frémont
French
French
French
Frene
Freniere or Lafreniere
Fresne (du)
Fresneda
Frey
Freyberg
Freyer
Freymann
Freysinger
Frías
Friederich
Friedrich
Frielas
Frier
Fries
Friesell
Friesen
Friess
Frigola
Fritsch
Fritz
Fröhlich
Fróis
Froment
Fromm
Fronsberg
Frost
Frotas
Frutos
Fry or Frye
Frycz or Fritsch
Fryer
Fryer (Clare)
Fryze
Fuchs
Fuchs
Fuentes
Fuertes
Fuhrmann
Fulbach (or Filbech of Marloes, of Pembrokeshire)
Fulford
Fullam (Dublin)
Fuller
Fuller (Kerry)
Fullerton
Fulton
Fulton
Fulton (Antrim)
Funck
Funes
Furlong (Wexford)
Furst
Furstenberg
Furtado
Fusco
Fuster
Fyan (Dublin)
Gabel
Gabelman
Gableniec
Gabriel
Gabriel
Gabriel or De Gabriel
Gabrieli
Gachineiro
Gadon
Gadsby
Gaetani
Gage
Gagliardi
Gagne
Gagnon
Gago
Gaillard
Gaines
Gainsford
Gaio
Gaioso
Gair
Gair
Gaitán
Gajl
Galalón or Galaón
Galán
Galarza
Galbán or Galván
Galbraith (Donegal)
Galbreath
Galdeano
Galdós
Gale or Gall
Galeano
Galecki
Galego
Galen
Galen
Galhardo
Galicia
Galindo
Gallais
Galland
Gallant
Gallard
Gallard
Gallardo
Gallart
Gallay or Galley
Gallego or Gallegos
Gallesi
Gallet
Galletti
Galli
Galliani
Gallina
Gallo
Gallo
Gallois
Gallop
Galloway
Galluzzi
Galvani
Galvão
Gálves
Galvete
Gálvez
Galwey
Gama
Gama
Gamack
Gamage
Gamage (lords of Llanfihangel, Monmouthshire)
Gamarra
Gamboa
Gamboa
Gambon or Gamon
Gámez or Gámiz
Gammell
Gançoso
Gándara
Gandini
Gandolfi
Ganser
Gant or Gaunt
Ganz
Gaona
Garategui
Garavito
Garay
Garayo
Garbo
Garção
Garcés
Garcês
García
García I
García II
García III
Garcífuentes
Garcini
Garczynski
Gardener
Gardiner
Gardiner or Garner
Gardini
Gardner
Gardosa
Gardyne or Garden
Garelli
Garfield
Gargallo
Garganti
Gargollo
Garin
Garioch
Garland
Garmston
Garnault dit Garneau
Garnett
Garnier I
Garnier II
Garnier or Garner
Garnons (of Garnons, Herefordshire)
Garofalo
Garrard or Garratt
Garreau
Garrett (Dublin)
Garrick
Garrido
Garro
Garroway
Garroway
Garter
Garth
Garth
Gartner
Garton
Gartshore
Garvie
Garvine or Girvan
Garza or Garzo
Garzón
Gascoyne
Gaska I
Gaska II
Gaskell
Gasnier
Gasnier or Gagné
Gaspari
Gasparini
Gasser
Gassner
Gates
Gato
Gatti
Gaubert
Gaudin
Gauthier
Gautier
Gavião
Gavilán
Gavine
Gaviria
Gay
Gay
Gay dit Castonguay
Gayangos
Gayer
Gayola
Gayre
Gaztelu
Geare
Geary
Geary
Gebel
Gebhardt
Ged
Geddes
Gedding
Gedney or Gidney
Gedroic or Gedroyc
Gee
Geffroy
Gehring
Geiger
Geisler
Gelabert
Gelida
Gell
Geller
Gellie
Gemell
Genet
Genillin (FARCHOG, Caernarfonshire)
Genin
Gent
Gentil
Gentil
Gentile
Geoffroy
Geometer
George
George
George
George (OWEN HARRY, Pembrokeshire)
Georges
Geppert
Geraldes or Giraldes
Gerard
Gérard
Gerard (of Cheshire, Daughter m. Wynn of Gwydir)
Gerardi
Geremia
Gerhard
Gerini
Gerino
Gerlach
Germain
Germain or Germyn
Gernon
Gernon (Meath)
Gervais
Gervais or Jervois (Tyrone)
Gervis
Gervis (of Ruthin, Denbighshire)
Gessner
Geszaw
Gethin (a soldier in Normandy in 1430’s)
Ghetti
Ghiberti
Giacobbi
Giacomelli
Giacomini
Gianni
Giannini
Giannuzzi
Gib
Gibbon (of Glamorgan)
Gibbons
Gibbs
Gibbs (Cork)
Gibert
Gibson
Gibson
Gibson (Carlow)
Gicquel
Gideon
Giejsz
Gieralt
Gieysztor
Giffard or Gifford
Gifford
Gifford
Gigli
Giglio
Giglioti
Gijón
Gil
Gil
Gilbert
Gilbert
Gilbert
Gilbert (Dublin)
Gilchrist
Giles
Giles (Glamorgan-formerly Juel or Joel)
Giles or Gyles
Gilford
Gill
Gill
Gillam
Gilles
Gillespie
Gillet
Gillett
Gilligan
Gillis
Gillman (Cork)
Gillon
Gillot
Gilman
Gilman (Claims descent from Cilmin Troed-ddu)
Gilmour
Gilpin
Giménez I
Giménez II
Ginebra
Ginovés
Giordani
Giordano
Giorgi
Giovanelli
Giraldo
Giralt
Girão
Girard
Girardot
Giraud
Girault
Girdler
Girolami
Girón
Girona
Gironella
Gispert
Gissa
Gist
Giudici
Giuliani
Giunta
Giuntini
Giusti
Giustiniani
Gladstone
Gladwin
Glanvile or Glanville
Glascock or Glascott
Glaser
Glasford
Glasgow
Glasier or Glazier
Glass or Glaster
Glaubicz
Gleason
Gleg (of Cheshire)
Gleg or Glegg
Glegg
Gleig
Glen
Glen
Glendinning
Glennon or Glenane (Mayo)
Glinski
Glisson
Gloag
Gloucester (mother was heiress to Fitzhamon)
Glover
Glyn
Glynne (of Glynllifon, Caernarfonshire)
Gobbi
Göbel
Gobert
Goch (or Gough-of Wodberye, Devonshire)
Godard
Godart
Goddard
Goddart
Godden
Godefroy
Godet
Godfrey
Godfrey or MacGoffrey (Kerry)
Godin
Godínez
Godinho
Godins
Godolfim
Godoy
Godoy
Godziemba
Goerts
Goetz
Goicoechea
Going or MacGowan (Tipperary)
Goiri
Gois
Gold
Gold (of Oswestry, Shropshire)
Goldesborough
Goldie
Golding
Goldsmith
Goldsworthy
Goldwell
Goledzinowski
Golfín
Golia
Gollwyn (AB EDNYWAIN, Lord of Bryn)
Gomar
Gomes
Gómez I
Gómez II
Gómez III
Gomide
Gonçalves
Gondon dit Gandon
Góngora
Goñi
Gonzaga
González
Gonzalo
Gooch
Good
Goodall
Goodchild
Goodenough
Goodenough (or Gwdinwch, of Caernarfonshire)
Gooding
Goodlet
Goodman
Goodman (of Ruthin, Denbighshire)
Goodrich
Goodridge
Goodwin
Goodyear
Gorbacki
Gordon
Gore
Gore (Donegal)
Goring
Gorizo
Gorney
Gorostidi
Gorostiza
Gorrie or Gorry
Gorton
Gosling or Goselyn
Gosselin
Gosset
Gotor
Gotti
Gough
Gough
Gough (of Chester c.1481)
Goujon
Gould
Gould
Gould or Goold
Goulding
Goulding or O'Goilin
Gourlay
Gouveia
Govan
Gowdie or Gowdy
Gower
Gowland
Goya I
Goya II
Goyanes
Goyeneche
Gozzi
Grã
Grabie
Grabisz
Grace
Grace
Grace (Kilkenny)
Grace (of Glamorgan)
Graciani
Graden
Graff
Grafton
Grafton (of Carew, Pembrokeshire)
Graham
Graham
Graham or Grahan (Armagh)
Grainger
Grainger (Waterford)
Gralho
Gramaxo
Gramunt
Granada
Granada
Grand (le) I
Grand (le) II
Grande or Grandes
Grandin or Grondin
Grandison
Grandjean
Grange
Grange (de la)
Grangers
Granier
Grant
Grant (Down)
Grant (of Llwyn-y-grant, Glamorgan)
Grantham
Grantham
Granville (Richard de, Founder of Neath Abbey)
Gras (de)
Grassi
Grasso
Grave (s)
Gravenor (or Gosvenor)
Gray
Gray (of Abergavenny)
Gray or Grey
Graziani
Grazioli
Grazzini
Greaves
Grebecki
Greco
Gredon
Green
Greenall
Greene
Greenfield
Greenlaw
Greenlees
Greenough
Greenstreet
Greenway
Greenwell
Greenwood
Greer (Tyrone and Antrim)
Gregg
Grégoire
Gregori
Gregorio
Gregory
Gregory
Gregory
Gregson
Greig
Greiner
Grek
Grela
Grenier
Greppi
Gresham
Gretz
Grey (of Ruthin-lords of Dyffryn Clwyd)
Grey (or Gray- lords of Powys)
Grey or Gray
Grierson
Grierson 2
Grieve
Grieve
Griffin
Griffin (of Penrith-anglicized form of Gruffudd)
Griffin (Prince of North Wales)
Griffin I
Griffin II
Griffith (Derry)
Griffith (of Penrhyn, descended from Gwilym )
Griffith (Wales)
Griffiths
Griffo
Grillo
Grimaldi
Grimaldo
Grimaud
Grimes I
Grimes II
Grimm
Grimond
Grimsditch (of Rhuddlan, Flint)
Grimshaw
Grimsted
Grimston
Grimwood
Gritti
Grodek
Groeller
Grogan
Gronwy (ab Einion, ap Llywarch)
Gronwy (Fychan, of Anglesey)
Gronwy (GOCH-of Llangathen, Carmarthenshire)
Gros
Gros (le)
Grosett or Grosset
Grosjean
Gross
Gross
Grossmann
Grosso
Grosso
Grosvenor
Grotta
Groty
Grove
Grove
Grubb
Gruben
Gruber
Gruffudd (AP MADOG-of Nannau, Merionethshire)
Gruffudd (FYCHAN Sir, of Powys, of Boniarth)
Grumley
Grün
Grundy
Grüner
Grünewaldt
Gryf
Grymsby
Grynfar
Gryzima
Grzymala
Guadagni
Guadalajara
Gualdi
Guarda
Guàrdia
Guardiola
Gubena
Gubrynowicz
Guczy
Guedes
Guéguen (Guégant)
Guérin
Guerra
Guerra
Guerreiro
Guerrero
Guerrieri
Guerry
Guest
Guevara
Guevara
Guibert
Guichard
Guidi
Guignard
Guillaud
Guillaume
Guillemet
Guillemin
Guillemot
Guillén
Guillet
Guillim (of Westbury, Gloucester)
Guillon
Guillot
Guillou
Guimarães
Guinart
Guiness
Guiot
Guirao or Guirado
Guiraud
Guise or Guy
Guitarra
Guitton
Gulcz
Gullan
Gundar
Gunn
Gunning
Gunter (of Tregunter and Gilston, Breconshire)
Günther
Gurney
Gurrea
Gurruchaga
Gusmão
Gutag
Gutenberg
Guthrie
Gutiérrez
Gutmann
Guttyns (from Einion ap Gollwyn)
Guy
Guyard
Guyon
Guyot
Guzkowski
Guzmán
Gwair (AP DWG AP LLYWARCH HENJ)
Gwaithfoed (of Ceredigion or Fawr)
Gwaithfoed (of Powys)
Gwallter (or Walter, AP JOHN)
Gwarin (DDU, Monmouthshire)
Gwehelor (lord of Llantrisaint, Monmouthshire)
Gweirydd (AP RHYS GOCH, Anglesey)
Gwenwynwyn (AB OWAIN CYFEILIOG)
Gwiazdorski
Gwiazdy
Gwilym (AP DAFYDD-of Senghenydd, Glamorgan)
Gwion (BENARW, Ap Gwion Sais, ap Heilin)
Gwrgant (FARFDRWCHF, Monmouthshire)
Gwrtheyrn (GWRTHENEU, King of the Britons)
Gwrwared (AP GWILYM)
Gwyn (AP GWAITHFOED, of Castell-gwyn)
Gwyn (Sir John, of Trewyn)
Gwyn or Gwynne
Gwynn (Cork)
Gwynn (of Glamorganshire)
Haan
Haas
Habich
Habsburg
Hack
Hacke
Hacker
Hacket
Hackett
Hadden
Hadden
Hadderwick or Hedderwick
Haddock
Haddon
Haddow or Haddock
Hadfield or Hatfield
Hadley
Hadsor (Louth)
Hadwick
Haes or Hasse
Haffner
Hagar (Sir David, lord of the Hygar)
Hagen
Hager
Haggard
Haggard
Haggerty
Hahn
Haig
Haig
Haines or Haynes
Hair
Hairstans
Haitlie or Hatlie
Hake
Haki
Halcro
Haldane
Haldon
Hales
Haley
Halford
Halifax
Halkerston
Halkett
Hall
Hall
Hall (Down)
Hall (of Pembrokeshire)
Haller
Hallet
Hallewell
Halliday
Halliwell or Hollowell
Halloway
Halls
Halse
Halsey
Halsted
Halton
Halyburton
Hamden or Hampden
Hamel
Hamelin
Hamelyn or Hamelin
Hamerton
Hamilton
Hamilton
Hamilton (Down)
Hamlin (Hamlinstown, Meath)
Hamm
Hammer
Hammer
Hammersley
Hammes or Hames
Hammil
Hammon
Hammond
Hammond (Dublin)
Hamon
Hampson
Hampton
Hampton (mayor of Beaumaris, Anglesey)
Hanbury
Hanbury (of Pontypool, Monmouthshire)
Hanby
Hancock (e)
Hand (Dublin)
Handel
Handley
Handyside
Hanford
Hanke
Hanley
Hanmer (of Hanmer, Flint)
Hanna
Hannay
Hanning
Hanrahan
Hansard
Hanson
Harasiewicz
Harasowski
Harcarse or Harcus
Harcourt
Harder
Hardgrave
Hardie
Harding
Harding
Hardman
Hardouin
Hardwick
Hardy
Hardy
Hardy or Hardiman (Dublin)
Hare
Hare
Harford
Harforth or Hafford
Hargrave
Harington
Harley
Harling
Harlow
Harman
Harman or Harmon (Carlow)
Harnett or Hartnett (Kerry)
Harnie
Haro
Harold
Harold (of Haroldston, Pembrokeshire)
Harold or Harrell (Dublin)
Harper
Harper
Harper (Derby and Wexford)
Harrington or O'Haroughten
Harris
Harris (Cork)
Harris I
Harris II
Harrison
Harry (AP THOMAS)
Hart
Hart I
Hart II
Hartford
Hartford (Sir Walter, of Pembrokeshire)
Hartley
Hartmann
Hartsyde or Hartside
Hartwell
Hartwig
Harvey
Harvey or Hervey
Harvey or Hervey
Harward
Harwood
Hase
Hasel
Haselwood
Haskell
Haskell
Haskins or Hoskins
Hastie
Hastings
Hastings
Haswell
Hatch
Hatch (Louth)
Hatcliffe
Hatfield (Dublin)
Hathaway
Hathorn
Hatley
Hatten
Hatton
Haubicki
Hauer
Haughton or Houghton
Haugwicz
Hauke
Haupt
Haus
Hausen
Hauser
Hausmann
Havard (of Pontwilym, Breconshire)
Haverfordwest (priory of)
Havering
Havers
Havilland
Haward
Hawes
Hawke
Hawkes
Hawkesworth
Hawkins
Hawkins or Haughan
Hawley
Haworth or Hayworth
Hawranowski
Hawthorn
Hay
Haya (lord Robert of Hay, Monmouth)
Haydon or Heydon
Haye (de la) I
Haye (de la) II
Hayes
Hayes (Donegal)
Hayton
Hayward or Heyward
Haywood or Heywood
Haza
Head
Heald
Healy
Heard or Herd
Hearon or Hearn (Drogheda)
Heath
Heathcote
Heather
Heatley
Heatley (Waterford)
Heaton (King's Co.)
Heaton (of Lleweni Green, Denbighshire)
Heaton or Heton
Hebden
Hébert
Hector
Hector (GADARN, The Strong)
Hedges
Hedilla
Hedley
Heffner
Heigh
Heineken
Heintze
Heinz
Hejdenpol
Helbich
Helden
Heleighe (Helegh, Heley of Flint)
Heller
Heller
Hellier
Hellis
Hellmann
Helm
Heming or Hemming
Hemingway
Henbury (of Denbighshire)
Hender
Hender (Desc. from Dafydd ap Dafydd ap Madog)
Henderson
Hendrich
Hendry
Heneage
Henisz
Henkel
Henley
Hennequin
Henning
Henri
Henriques I
Henriques II
Henry
Henry
Henry (AP GWILYM AP THOMAS)
Henshaw
Hensley
Henson
Hepburn
Hepburn
Heppel
Heras or Hera
Herault
Herault I
Herault II
Herbert
Herbert
Herbert (1st Earl of Pembrokeshire)
Herbert (King's Co.)
Herburt
Hercyk
Heredia
Herédia
Hereford or Hertford
Hergest (Hargest, lord of Coston, Hereford)
Hering
Heriot
Herle
Herle (of Pembrokeshire)
Herman
Hermann
Hermosa
Hermosilla
Hernández I
Hernández II
Hernando
Herne
Herold
Heron
Heron
Herrán
Herren or Herring
Herrera
Herrero
Herrick
Herries
Hersey or Hershey
Herst
Hertz
Hervás
Hervé
Herzog
Hesch
Hesketh
Hess
Hessel
Hessler
Hessling
Hetherington
Hetherington (King's Co.)
Hewatt or Hewat
Hewes or Hues
Hewitt
Hewitt or Howlett (Viscount Lifford)
Hewson
Hewson (Dublin)
Hewston
Heyden
Heydon
Heyland
Heyman
Heymann
Heynes
Heynes (of Stretton, Shropshire, ap John Heynes)
Heys
Heyton
Hibbert
Hiccock(s)
Hickes
Hickman
Hickman (Clare)
Hicks (Wicklow)
Hickson
Hickson (Kerry)
Hidalgo
Hierro
Higginbotham
Higginbotham
Higgins
Higgon (John Hygon of Carmarthenshire)
Higgs
Higham
Highfield
Highmore
Higuera
Híjar
Hildebrandt
Hildyard
Hill
Hill
Hill (Down)
Hillary
Hiller
Hilliard (Kerry)
Hilliard or Hillier
Hillinger
Hillman
Hilton
Hilton
Hilton (of Denbighshire)
Hinchcliffe
Hinchley
Hinchman
Hind (e)
Hinista
Hinistrosa
Hinks or Hincks
Hinshaw
Hinson
Hinton
Hipocentaurus
Hirsh
Hirst or Hurst
Hislop
Hitch
Hitchcock
Hitchins
Hoar (e)
Hoare (Cork)
Hobart
Hobbs
Hobby
Hobhouse
Hobson
Hoby (of Radnor, Powys)
Hochberg
Hochstetter
Hockleton (of Tre’rgarreg, Church Stoke)
Hockley
Hocknell
Hodge
Hodges
Hodgkins or Hodgkinson
Hodgson
Hodson
Hodson (Wicklow)
Hody
Hodyc
Hoffer
Hoffmann
Hogarth
Höger
Hogg
Hoggart
Hogue
Holbeche
Holbrook
Holcombe
Holcroft
Holczynowski
Holden
Holder
Holford
Holgado
Holgate
Holland
Holland
Holland (of Conwy, Caernarfonshire)
Hollier
Hollingsworth
Hollis
Holloway
Holman
Holme (s) or Hulme
Holmes
Holobok
Holowinski
Holownia
Holroyd
Holt I
Holt II
Holtby
Holte or Holt
Holton
Holtz
Holtzman
Holywood (Meath and Kildare)
Homan or Howman (Westmeath)
Home or Hume
Homen
Homer
Homil or Hummell
Hone
Hone
Honeywill or Honeywell
Honoré
Honyman
Hood
Hood
Hood (of Cemais, Pembrokeshire))
Hook (e)
Hooker
Hooks (of Conwy, Caernarfonshire)
Hooper
Hoord (Daughter m. Gruffudd Kynaston)
Hooton (lord of Hooton, Cheshire)
Hope
Hope (of Broughton, Flint)
Hope (Westmeath)
Hopkin (DAVID- of Dan-y-graig, Swansea)
Hopkins
Hopkins (Meath)
Hopkinson
Hopkirk
Hopper
Hopton
Hopwood
Hore (Wexford)
Hormiston
Horn
Horn
Horn or Horne
Hornbeck
Hornby
Horne
Horner
Hörner
Hornowski
Hornsby or Hornesby
Horsburgh
Horsely or Horsley
Horst
Horta
Horton
Horton (of Tre-gwynt, Granston, Pembrokeshire)
Hoskins (of Monmouthshire)
Hoton (or Houghton-of Pembrokeshire)
Hotton
Houghton (Wexford)
Houldsworth
Houston
Houston (Down)
Howard
Howard (Wicklow)
Howart
Howe
Howell (of Llys-y-fran, Pembrokeshire)
Howell or Hovell
Howison or Howlison
Howlett
Hoyle
Hoyle or MacIlhoyle
Hoyos
Hozyusz
Hryniewicz
Huarte
Hubarewicz
Hubbard or Hubert
Hubbertson (of Pembrokeshire)
Hubert
Huchet
Huck (s)
Huddy
Hudson
Hue
Hueber
Huerta
Huet
Hugford
Huggins
Hughan
Hughes (Desc. from Hughes of Caernarfon)
Hughes (Huys-of Llewerllyd, Diserth, Flint)
Hughes (of Breconshire)
Hughes (of Gwerclas, Merionethshire)
Hughes (Tipperary)
Hughes (Wales)
Huguet
Huidobro
Hull
Hulse
Hulton
Humbert
Humfrey (s) or Humphreys
Hummel
Hummell
Humphrey (AP JOHN AB IEUAN, Montgomeryshire)
Hundt
Hungerford
Hunt
Hunt
Hunter
Hunter (Londonderry)
Huntingdon or Huntington
Huntingfield
Huntley
Huntley (of Hadnock, Monmouthshire)
Huot
Hurko
Hurry
Hurski
Hurt
Hurtado
Husarzewski
Hussey
Husson
Hutcheson
Hutchings
Hutchinson
Hutchinson or MacCutcheon (Dublin)
Hutor
Hutten
Hutton
Hutton I
Hutton II
Huw (AP LLYWELYN AP MAREDUDD)
Huw (or Hughes, AB ELIS AP HARRY)
Huxley
Hyatt
Hybryda
Hyde
Hyde (Cork)
Hyslop
Hywel (AP DAFYDD AP THOMAS)
Hywel (AP GRUFFUDD GOCH)
Hywel (DDA, or Howell, King of Wales)
Iarddur (AP CYNDDELW)
Ibáñez I
Ibáñez II
Ibargüen
Ibarra
Ibarrart
Ibarrola
Ibartola
Ibbetson
Ibiaga
Iddon (AP RHYS SAIS)
Idnerth (GOCH, Ap Cadwagn )
Idwal (IWRCH, Son of Cadwaladr Fendigaid)
Iestyn (FARCHOG, ruler of Glamorgan)
Ieuan (AP DAFYDD AP MADOG)
Ieuan (AP GRUFFUDD)
Ifor (HAEL, “the generous”)
Iglesia
Illán
Illesca
Illey
Ilmanowski
Ilowski
Imbert
Imhof
Imhof
Impellizzeri
Imperato
Imperatore
Imperial (e)
Imperiale
Impey
Imrie or Imbrie
Ince
Indriago
Infangati
Infantas
Infante
Infanzón
Inge
Ingegneri
Ingerham
Ingham
Ingle (s)
Ingleby
Ingledew
Inglis
Ingram
Ingram
Íñiguez or Íñigo
Innes
Inverarity
Inwood
Iorwerth (AP DAFYDD)
Iorwerth (SAIS)
Ippoliti
Iracheta
Iraeta
Iranzo
Iraola
Irarrazabal
Irby
Ireland
Ireland (Kildare)
Ireland (of Oswestry, Shropshire)
Ireton
Ireton
Iriarte
Iribarne
Iriberri
Irizar
Irland
Irons
Ironside
Irujo
Irureta
Irvine
Irvine (Fermanagh)
Irving
Irwin (Fermanagh)
Isaac
Isaacson
Isajowski
Isasa
Isasi
Isham
Isherwood
Isiora
Isla
Isnardi
Ithel (ANWYL, Ap Bleddyn )
Iturbe
Iturralde
Iturriaga
Ivan
Ivers
Ives
Iwanicki
Izquierdo
Izykowski
Izzard
Jaca
Jachowicz
Jachta
Jack
Jackman
Jackson
Jackson
Jackson (Mayo)
Jacob
Jacob
Jacob (Dublin)
Jacob I
Jacob II
Jacobé
Jacobi
Jácome
Jacquelin
Jacquemin
Jacques
Jacquet
Jacquier
Jacquin
Jacquot
Jacyna
Jaén
Jaffray
Jäger
Jagodowicz
Jahnke
Jaime or Jaimes
Jakes or Jaques
Jalón
Jalowka
Jalowski
Jamar
James (AP RHYS AP MAREDUDD)
James I
James II
Jameson (Galway)
Jamieson
Jamin
Jan
Janes or Janns (Dublin)
Janin
Janina
Jankajtys
Janorinski
Janson
Janta
Janvier
Jaouen
Jara
Jaramillo
Jardin (du)
Jardine
Jarocki
Jaroczewski
Jaroszynski
Jarrett
Jarry
Jarveis or Jarvis
Jarvie
Jasienczyk I
Jasienczyk II
Jasienicki
Jasinski (de Dombrowka)
Jason
Jaster
Jastrzebiec
Jaszczold
Jáuregui I
Jáuregui II
Javier
Jay
Jay
Jean
Jean (de)
Jeanneret
Jeannin
Jebb
Jeden
Jedrzejewicz
Jefferson
Jeffrey
Jeffrey
Jeffreys (Cork)
Jeffreys (of Abercynrig, Breconshire)
Jeffreys (Wales)
Jégou
Jekyll
Jelen
Jelita
Jelowicki
Jenison
Jenkes
Jenkes (of Wolverton, Shropshire)
Jenkin (AP DAFYDD or JENKIN FYCHAN)
Jenkin (AP RHYS AP GRUFFUDD)
Jenkins
Jenkinson
Jenner
Jenner
Jenney
Jennings I
Jennings II
Jennyns or Jennings
Jenyson or Jenison (Down)
Jephson
Jephson (Dublin)
Jerez
Jerlicz
Jermyn
Jervis
Jervis or Jervois (Dublin)
Jeski
Jessop
Jessop (Longford)
Jeune (le)
Jewell or Jule
Jez
Jezierza
Jeziora
Jiménez
Jimeno
Joanes
Joass
Jobson
Jocelyn
Jofré
John (AP GWILYM AP RHYS)
John (AP HARRY AP LLYWELYN)
John (AP JENKIN AP MADOG)
Johns
Johns
Johns (Sir Hugh, of Swansea)
Johnson
Johnson I
Johnson II
Johnston (Down)
Johnstone
Joliffe
Jolivet
Jolley or Jolly
Jolly
Jolly or Jolley
Jolly or Joly
Jonas (AP GRONWY)
Jones (Kildare)
Jones (of Abermarlais, Carmarthenshire)
Jones (of Beaumaris, Anglesey)
Jones (of Castell-march, Llanengan)
Jones I
Jones II
Jones III (Wales)
Jopling
Jopp
Jordà
Jordan
Jordan
Jordán
Jordan
Jordan (Dublin)
Josse
Josselin
Jossey
Jouan
Joubert
Jouffroy
Jourdain I
Jourdain II
Jourdan
Jouve
Jove
Joy
Joyce
Joyce
Joyce
Joyce (Galway)
Joyce (lords of Prendergast, Pembrokeshire)
Joyner
Joynt (Mayo)
Juan
Juára
Juárez
Judd
Judge
Judge or MacBreheny (Meath)
Júdice
Judson
Judson
Julià
Julien
Jullien
Junco
Junczyk
Jung
Jungen
Junosza
Junta
Jurado
Justice
Justice
Juzwikiewicz
Kacki
Kaiser
Kalinowa
Kalmucki
Kaluszowski
Kammerer
Kammerling
Kampe
Kanicz
Kappel
Karas
Karcher
Karega
Karl
Karnowski
Karp
Karr
Kasparek
Katz
Kauffmann
Kavanagh
Kavanagh
Kay
Kay
Kayser
Keating or O'Keaty
Keats
Keeling
Keen
Keen
Keir
Keirie
Keith
Kellam
Kellaway or Kelloway
Keller
Kellermann
Kellet
Kellett (Cork)
Kellner
Kello
Kelsall
Kelsey
Kelso
Kemble
Kemble
Kemeys (of Montgomeryshire)
Kemp
Kemp
Kemper
Kempf
Kempton
Kenan
Kendall
Kendrick
Keneally
Kenley (Drogheda)
Kennard
Kennaugh
Kennedy
Kennet
Kenning
Kenny
Kenrick (of Acton Burnell and Owre, Shropshire)
Kent
Kent (Meath)
Kenton
Kenward
Kenworthy
Kenyon
Keough (or Kehoe)
Keppel
Ker
Ker (Down)
Kercher
Kerne
Kerr
Kerrey (of Worthern, Shropshire)
Kerrigan
Kerrison
Kerry
Kershaw
Kessler
Kestell
Kesztort
Kett
Kettle
Kew
Key or Keyes
Keyes (Donegal)
Kibble
Kidd
Kidston
Kidwell (Wales)
Kiefer
Kierdeja
Kiesling
Kietlicz
Kiffin
Kilburne or Kilborn
Kilby
Kilgour
Killingworth
Kilmore
Kimbar
Kimberley
Kinaston or Kynastin
Kincaid
Kindelán
Kinder
King
King
King
King (Roscommon)
Kingdon
Kingsley
Kingston
Kingston (Longford)
Kinloch
Kinnaird
Kinnear
Kinnersley
Kinninmond
Kinross
Kinsella or Kinsellagh
Kinsman
Kintore
Kippen
Kirby
Kirchner
Kirk
Kirkaldie
Kirkby
Kirke
Kirketon
Kirkham
Kirkland
Kirkor
Kirkpatrick
Kirkwood
Kirstein
Kirton
Kita
Kitchener
Kitchens
Kitchin
Kite or Kyte
Kiwalski
Kiziel
Kizinek I
Kizinek II
Kladrubski
Klamry
Kleber
Kleeman
Klein
Kleist
Kleman
Kleszczynski
Klinski
Klocke
Klot
Kmita
Knapp
Knapp
Knatchbull
Knell
Kniaziewicz
Knight
Knight
Knightly or Knightley
Knighton
Knorr
Knowles
Knowles (of Denbighshire)
Knowsley (English of Flint)
Knox
Knox
Knox (Mayo)
Knyll (of Knyll, Herefordshire)
Kobylka
Koch
Koeler
Koenig
Kofler
Kohl
Kohler
Kojen
Koleczycki
Koleda
Kollatorowicz
Kolmasz
Kolnicki
Kolodyn
Kolotaj
Komanski
Komar
Komoniaka
Konarski
Konderski
Konrad
Kopacz
Kopaszyna
Kopp
Köppel
Kopycki
Korab
Korczak
Kornic
Korwin
Korybut
Koryzna
Korzbok
Kos or Koss)
Kosciesza I
Kosciesza II
Kot
Kotwica
Kotwicz
Kowal
Kowalek
Kownia
Koziczkowski
Koziel
Koziutlicz
Kozlowski
Krabbe
Kraft
Krakowiecki
Krall
Kramer
Krane
Krantz
Krasnodebski
Kratz
Kraus
Krauze
Krebs
Krecki
Kreczyk
Krejc
Krekwicz
Kreski
Krieger
Krociusz
Kroje
Krolodar
Kromer
Kromno
Krosta
Kroszynski
Krucini
Krucyni
Kruger
Krull
Kruniewicz
Krupek
Krupka
Kruzer
Krygier
Kryspin
Krzeczunowicz
Krzikowski
Krzyczewski
Krzystalowicz
Krzysztofowicz
Krzywda
Krzyzak
Krzyzanski
Krzyzostrzal
Ksiezyc
Kubach
Kublicki
Kuchowicz
Kudrewicz (Labedz)
Kuhn
Kulak
Kulminski
Kulpinski
Kummer
Kunz
Kur
Kurcz
Kursell (Estonia)
Kurtz
Kusienicki
Küster
Kusza
Kuszaba
Kyd
Kydwelly (Sir Morgan-Chancellor of Glamorgan)
Kykieryc
Kyle
Kyle (Cork)
Kynaston (Descended from Iorwerth Goch)
Labadie
Labat
Labbé
Labendz
Labia
Laborda
Laborde
Lac (du)
Lacaze (Caze de la)
Lacerda
Lacki
Lacoste
Lacour
Lacroix
Lacueva
Lacy or Lacey
Lada
Ladd
Lade
Ladoucette
Ladrón
Lafetá
Lafon
Lafond
Lafont
Lafontaine
Lafranchi
Lafranco
Lagarda or Legarda
Lagarde
Lagarra
Lagarto
Lagasse
Laghi
Lago
Lago
Lago
Lagoda
Lagos
Laidlaw
Lainé
Laing
Laird
Lake
Lalane
Lallemand or Lallemant
Lallement
Lallier
Lalonde
Lalor (or Lawlor)
Lama
Lamadrid
Lamas
Lamb
Lambert
Lambert
Lambert (Galway)
Lambert I
Lambert II
Lamberti
Lambertucci
Lammie
Lamond
Lamont
Lamont
Lamothe
Lamotte
Lamour
Lamoureux
Lampen
Lamprecht
Lampson
Lamy
Lana
Lancaster
Lance (de la)
Lancellotti
Lancelot
Lanci
Lanciani
Lancini
Lançós
Landa
Landais
Landau
Landauer
Lande (de la)
Landel
Lander (s)
Landi
Landim
Landini
Lando
Landon
Landon (lords of Llanddewi, Monmouthshire)
Landres (or Landry of Llanddowror, Carmanthenshire)
Landry
Landsberg
Lane
Lane (Roscommon)
Lang
Langdale
Langdon
Langen
Langer
Langevin
Langford
Langford (Antrim)
Langford (of Allington, Gresford, Denbighshire)
Langham
Langholm (e)
Langlais
Langlands
Langley
Langley
Langlois
Langrishe (Kilkenny)
Langstaff
Langston
Langston (of Langiston, Monmouthshire)
Langton
Langton
Langton (Kilkenny)
Langton (Sir William-of Henllys, Gower)
Laniel
Lannoy
Lannoy (de)
Lanuza
Lany or Laney (Dublin)
Lanza
Lanza
Lanzi
Lanzoni
Lapenha or Penha
Lapeyre
Lapi
Laporte
Lapp
Lapslie
Lara
Lara
Larcher
Larchier
Lark
Larkin
Laroche
Larocque
Larra
Larrinaga
Larski
Larue (Rue, de la)
Laryssa
Larzedo
Lasalde
Lasarte
Laskarys
Laso (or Garcilaso)
Lassalle
Lasserre
Latas
Latham
Latham
Lathom (of Lleweni Green, Denbighshire)
Latimer
Latorre
Lattin (Kildare)
Lattre (de)
Lauber
Lauder
Lauderdale
Lauer
Laugharne (of St. Brides, Pembrokeshire)
Laugier
Launay
Laurence (Galway)
Laurens (AP WILLIAM AP DAFYDD)
Laurent
Laurenti
Laurenzi
Laurie
Lauter
Lauterbach
Lauty
Lauzon
Laval I
Laval II
Lavallée
Lavaud
Laven
Lavender
Laver I
Laver II
Lavergne
Lavigne (Vigne (de la))
Lavington
Law
Lawder or Lauder (Leitrim)
Laweston
Lawford
Lawless (Kildare)
Lawrence
Lawrence or Laurence
Lawson
Lawson
Lawton
Laxton
Layton I
Layton II
Lázaro
Lazcano
Lazzari
Le Bars (de le Bars)
Le Borgne
Le Breton (Breton (le))
Le Bris (Bris (le)
Le Du (Du (le)
Le Gac (Gac (le)
Le Gal
Le Gall
Le Goff (Goff (le)
Le Meur (Meur (le)
Le Roux I (Roux (le)
Le Roux II (Roux (le)
Le Roy I (Roy (le)
Le Roy II (Roy (le)
Lea
Leach or Leech
Leadbitter or Leadbetter
Leader (Cork)
Leal
Leão
Lear
Learmonth
Leary
Leask
Lebel
Lebinski
Leborão
Lebrão
Leck
Leckie
Lecky (Derry)
Lecumberri
Lecuona
Lederer
Ledesma
Ledo
Ledoux or Doux
Lee
Lee
Lee (Kerry)
Leech
Leech (Cork)
Leechman
Leeds
Lees
Lees or MacAleese (Dublin)
Leeson
Leeson (Dublin)
Lefebvre
Lefevre
Lefrancois (François (le)
Legat
Legat
Legay (Gay (le)
Legazpi
Legendre (Gendre (le)
Léger
Legg or Legge (Antrim)
Legge
Legh
Legnani
Leguina
Lehmann
Lehner
Leigh
Leigh (Dublin)
Leighton
Leighton
Leighton (of Leighton, Shropshire)
Leipold
Leis
Leitão
Leitch
Leite
Leith
Leiva
Leke or Leake
Lekna
Leleu (Leu (le)
Lelewel
Lelievre (Lièvre (le)
Leliwa
Lelli
Lelong (Long (le)
Leloup (Loup (le)
Lema
Lemaire
Lemaitre (Maitre (le)
Leman or Lemmon
Leman or Lemon (Dublin)
Lemarchand (Marchand (le)
Lembeck
Leme
Lemercier (Mercier (le)
Lemke
Lemke-Baranowski
Lemmens
Lemoine (Moine (le)
Lemonnier (Monnier (le)
Lemos
Lemos I
Lemos II
Lencastre
Lend
Lendrum (Fermanagh)
Lenihan
Lennard
Lennie or Leny
Lennon
Lennox
Lenoir (Noir (le)
Lentz
Lenzo
León
Léon
Léonard
Leonard
Leonardo
Leoni
Léoz
Lepage (Page (le)
Lepin (e)
Leprestre (Prestre (le)
Lera
Leray (Ray (le))
Leriche (Riche (le)
Lerma
Lesage I (Sage (le)
Lesage II (Sage (le)
Lescuyer (Escuyer (l')
Lesk
Leski (Heselicht-Leski)
Leslie
Leslie (Monaghan)
Lessing
Lester
Lester or MacLester (Dublin)
Lesueur (Sueur (le)
Leszczyc
Leszczynski (Wieniawa)
Letellier (Tellier (le))
Lettaw
Lettow
Levasseur (Vasseur (le)
Levèque (Evèque (l')
Lever
Leveson
Levett or Leavett
Levett ot Lyvet (Dublin)
Levinge or Levens (Westmeath)
Levington
Levins
Levis
Lew I
Lew II
Lewalt
Lewart I
Lewart II
Lewes
Lewin
Lewis (Dublin and Monaghan)
Lewis (of Abergavenny, Monmouthshire)
Lewis (of Y Fan or Van, Caerphilly, Glamorgan)
Lewis I (Wales)
Lewis II
Lewys (AP RHYS AP HYWEL AP GRUFFUDD)
Lewys (of Bodedern, Llifon, Anglesey)
Lexington
Ley
Leyland
Lezcano
Lhomme (Homme (l')
Liall or Lyall
Liaño
Libberton
Liddell
Lidderdale
Lienart
Lightbody
Lightfoot
Lilia
Lillie or MacLilly (Roscommon)
Lilly
Lima
Limont
Limos
Limpo
Liñán
Linares
Lincolne (Dublin)
Lincolne I
Lincolne II
Lind
Linda
Linde
Lindemann
Linden
Lindequist
Linder
Lindley
Lindner
Lindsay
Lindsey (Mayo)
Lingard
Lingen
Lingen (of Lingen, Herefordshire)
Link
Linnet
Linton
Lioni
Liorsi
Lippa
Lippe
Lippi
Lira
Lis
Lis
Lisk
Lisle
Lister
Liston
Listowski
Lithgow
Littell or Little
Littelman or Littleman
Little
Littlejohn
Littler
Littleton
Litton (Tyrone)
Livesey
Livingstone
Lizana
Lizarazu
Lizarraga
Llach
Llado
Llamas
Llandaff (Diocese of, Cardiff)
Llandochau (or Wallis, Walsh, Welsh, lords of Llandough)
Llanegwystl (VALLEY CRUCIS ABBEY)
Llanos or Llano
Llansol
Lláser
Llasera
Llave
Lledós
Llewellyn (Wales)
Llinás
Llobet
Llopis
Llorente
Lloret
Lloves
Lloyd
Lloyd
Lloyd
Lloyd (of Abergavenny, Monmouthshire)
Lloyd (of Bodiris, Denbighshire)
Lloyd (of Breconshire)
Lloyd (of Foxhal, Henllan, Denbighshire)
Lloyd (of Llansteffan, Carmarthenshire)
Llull
Llwn Hen (ancestor of Gwynfardd)
Llywarch (AP BRAN-of Menai, Anglesey)
Llywelyn (AB ALETH, King of Dyfed)
Llywelyn (AB EINION AP CELYNIN)
Llywelyn (AP MAREDUDD)
Llywelyn (DYFARCH)
Llywelyn (EURDORCHOG, born c.1030)
Lobão or Lobeira
Lobato
Lobatón
Lobera
Lobia
Lobo
Lobo
Loch
Locherby
Lochore
Locke
Locke (KIldare)
Lockhart
Lockwood
Lode
Lodge
Lodi
Lodzia
Loftus
Loftus (Viscount of Ely)
Logan
Logan
Logan
Loghlan
Logie
Loisel
Loisson
Lomas or Loomis
Lomax
Lombard
Lombard
Lombard or Lombart
Lombardi
Lombardo
Lombera
London
Lonergan
Loney
Long
Long (of Pembrokeshire)
Long or Longe
Longden
Longfellow
Longfield (Meath)
Longford
Longford (of Pembrokeshire)
Longhi
Longoni
Longstaff
Lonsdale
Lopes
López I
López II
López III
Lorain
Lord
Lord (Cork)
Lord (or Lort, of St Patrick, Pembrokeshire)
Lordelo.
Lorenzi
Lorenzo
Lorenzo
Loret
Loria
Loriega
Lorimer
Loring (e)
Loris
Loro
Loronha
Lorty
Losada
Losco
Losiatynski
Lóssio
Lotti
Loudon or Loudoun
Louis
Louis or Lowis
Lourenço
Louth
Louvet
Love I
Love II
Loveday
Lovejoy
Lovelace
Lovell
Lovell
Lovet or Lovett
Lovett (Dublin)
Low
Low (Limerick)
Lowe
Lowell
Lower
Lowman
Lowndes
Lowry
Lowry or O'Lavery (Tyrone)
Lowther
Lowther (Quartering of Powell of Hosely)
Loyers
Loyola
Loyseau or Loiseau
Lozana
Lozano
Lubbock
Lubeck
Lubicz
Lubliniec
Lubocki
Lubowla
Luca
Lucas
Lucas
Lucas
Lucas
Lucas
Lucas (of Hill, Gower)
Lucena
Lucena
Lucerna
Lucey or Lucy
Lucian
Luciano
Lucio
Lúcio
Luck
Lucy
Ludlow
Ludlow
Ludlow (of Shropshire)
Ludwig
Lugo
Luis
Luk
Luke
Luke (Monaghan)
Luker (Tipperary)
Lukocz
Lumley
Lumsden
Luna
Luna
Luna
Lund
Lundin
Lunn
Lunsford
Lupi
Lupin
Lupton
Luscombe
Lusk
Luther
Luton
Luttrell
Luttrell (Dublin)
Lutz
Lux
Luzinski
Luzyanski
Luzyanski (Luzeinen-Luzyanski )
Lyle or Lyall
Lynch (Galway)
Lyndon
Lyndon or Glindon (Antrim)
Lynn
Lyon
Lyons (Westmeath)
Lytton or Litton
Maça
MacAben
MacAdam
MacAdam (Clare)
MacAlister
MacAlpin or MacAlpine
MacArdle
MacArthur
MacArtney (Belfast)
MacAuley
MacAuliffe (Munster)
MacAusland (Londonderry)
MacAwley or MacGawley
MacBain
MacBarnet
MacBean
MacBeth or MacBeath
MacBlane
MacBrady
MacBraire
MacBrayne
MacBride
MacBride
MacCabe
MacCaffery
MacCall
MacCann (Armagh)
MacCarron
MacCartan or MacArtan
MacCarthy or Carty (Cork)
MacCartney
MacCartron
MacCarvill or MacCarroll
MacCashin (Queen's Co.)
MacCasland
Macchiavelli
MacChlery
Macci
MacClancy or MacGlanchy
MacCleish
MacClelland
MacClintock
MacClintock
MacClure (Down)
MacCochlan
MacCodden
MacCoey
MacCoghlan (King's Co.)
MacColgan (King's Co.)
MacColley (Kildare)
MacColman
MacCombie
MacConchy or Machonchy or MacConaghy
MacConnell
MacConsidine
MacConville or Conwell
MacCormack
MacCormick
MacCorquodale
MacCostello
MacCotter
MacCourt
MacCoy
MacCoyle
MacCready
MacCullen (Donegal)
MacCulloch
MacCurtin
MacCusker or Cosker
MacDaniel
MacDeargan or O'Dargan
MacDermot (Roscommon)
MacDevitt or MacDavitt
MacDiarmid
MacDiarmot
MacDonald (of the Isles-ancient)
MacDonell
MacDonnell (Connaught)
MacDonnell of the Glens
MacDonogh (Sligo)
MacDougall
MacDowall
MacDowell
MacDuff (Earl of Fife)
Macé
Macedo
MacEgan or Gegan (Tipperary)
MacElligott (Kerry)
MacElroy or Gilroy
MacEnchroe
MacEnery (Cavan)
MacEniry or MacEniery or MacHenry
MacEnright
MacEvoy (Meath)
MacEwan
MacFadden or Fadyen
MacFarlane
MacFerrin or Fearon
MacFie
MacFinucane or Kinucane
MacGann or Magan (Westmeath)
MacGannon
MacGar or MacGirr
MacGarry
MacGarth
MacGartland or Garland
MacGaughney or Gaffney
MacGaynor (Meath and Longford)
MacGeachen or MacEachen
MacGenis (Down)
MacGeoghegan or O'Houghegan
MacGeorge
MacGeough (Armagh)
MacGeraghty
MacGettigan or Ettigan (Cork)
MacGhie
MacGibbons
MacGilchrist
MacGilfoyle
MacGill
MacGill
MacGill (Ballynester)
MacGillicuddy
MacGilligan
MacGillivray
MacGilmartin or Kilmartin
MacGilmore or Gilmer
MacGilroy or MacElroy
MacGlinchy or Clinchy
MacGlynn or Gleen
MacGogarty
MacGorman
MacGovern
MacGowan
MacGowan or Gow
MacGrane or MacGrann
MacGrannell or Graney
MacGrath or MacGraw
MacGrattan (Fermanagh)
MacGregor
MacGuffock or MacGavock
MacGuinness or MacGinnis or MacGenis
MacGuire or Maguire
Machado
Machado
MacHale or MacEli
MacHan
MacHatton or MacIlhatton
Machín
MacHugh
Machwicz
Macías
Maciel
MacIlvain
MacInerney
MacInnes
MacInroy
MacIntyre
MacIver
Mack
MacKale or MacKail
MacKay
MacKeegan or Keggan
MacKenna
MacKenna
MacKenzie
MacKeogh (Roscommon)
MacKeown
MacKerrell
Mackey
MacKie
MacKillikelly (Galway)
MacKinnon
MacKintosh
MacKirdy
MacKnight (Dublin)
Mackworth
MacLachlan
MacLannahan
MacLaren
MacLarty
MacLaurin
MacLea or Lee (Londonderry)
MacLean
MacLeay
MacLeish
MacLellan
MacLennan
MacLeod
MacLochlin
MacLoskie or MacLuskie
MacLysacht
MacLysaght
MacMahon (Monaghan)
MacMahon (Thomond)
MacManus (Fermanagh)
MacMathan
MacMichael
MacMillan
MacMillan
MacMoran
MacMore
MacMoresh or MacMorris
MacMorogh
MacMorogh (King of Leinster)
MacMulock or Mullock
MacMurray (Limerick)
MacMurrogh (Carlow and Wexford)
MacNab
MacNaghten
MacNair
MacNally
MacNamara
MacNaughton or MacNaughtan
MacNeil
MacNeil
Macneil
MacNeish
MacNevins
MacNicol or Nicolson
MacNulty 1
MacNulty 2
Maconochie
MacOstrich (Cork)
MacPherson
MacQuarrie
MacQuay or MacKee
MacQueen
MacQuillan
MacRae or MacCraigh
MacRannell (Reynolds)
Macreadie or MacCreadie
MacRery
MacRery or MacCrery
MacRitchie
MacRory
Macsen (WLEDIG, Roman Emperor Maximus)
MacShane
MacShane or Shane (Ireland 1600)
MacShanley or Shanly (Leitrim)
MacShanly (Roscommon)
MacSheehy
MacSweeney
MacTaggart
MacTavish
MacThomas
MacTiernan or MacKiernan
MacTurk
MacVais
MacVeagh or MacFingah (Armagh)
MacWhirter
MacWorth
Madden
Maddison
Maddox or Maddock
Madec
Madeira
Madia
Madock or Madox
Madog (AP LLYWELYN AP GRIFFRI-or Madock)
Madog (AP MAREDUDD, Prince of Powys)
Madog (AP RHYS)
Madog (FYCHAN)
Madrazo
Madrid
Madroño
Madrostki
Madureira
Maecello
Maelgwn (GWYNEDD, King of Gwynedd)
Maelog (CRWM-of Arllechwedd, Caernarfonshire)
Maenyrch (lord of Brecon)
Maestri
Maeztu
Maffei
Magalhães
Magarola
Magee or MacGee
Maggi
Maggio
Magill (Down)
MaGinn or MacGing
Magistri
Magnani
Magnano
Magne
Magni
Magniere
Magnin
Magno
Magnoni
Magrè (da)
Magriço
Magro
Maguire
Mahé
Mahew (e) or Mayhew
Mahieu
Mahler
Mahon or O'Mahan
Mahoney
Maia
Maier
Maillard
Maillet
Maillot
Main
Main or Mayne
Mainardi
Mainetti
Maino
Mainwaring
Mainwaring (branches in North Wales)
Mair
Mair
Maire
Maire or Mayre
Maisonneuve
Maitland
Maitre
Majdel
Majoli
Major or Mayor
Majoribanks
Makepeace
Malaca
Malafaia
Malagamba
Malatesta
Malby
Malcolm or MacCallum
Maldonado
Maldonado I
Maldonado II
Malephant (of Upton, Pembrokeshire)
Malerba
Malfatti
Malheiro
Malherbe
Malla
Mallard
Mallet
Mallet
Mallol
Mallory
Mallory (Cork)
Malpas
Malpas (Dublin)
Malpas (Sir David, Descended from Owain)
Malpighi
Maluenda
Malvagia
Malvezzi
Man or Mann
Manaw (Brenin-King of Man)
Manceau
Manchester
Mancini
Mandella
Mandelli
Manders (Dublin)
Mandeville
Mandeville (Tipperary)
Manegat
Manelli
Manetti
Manfredi
Manfredini
Mangan
Mangano
Mangin
Manley or Mandley
Mann (Tyrone)
Manners
Manning
Mannucci
Manrique
Manrique
Mansbridge
Mansel (of Oxwich and Penrice, Gower)
Mansel(l) or Mansfield
Mansfield (Waterford and Kildare)
Mansilla
Manso
Manso
Manson
Manuel
Manuel or Manoel
Manzano
Manzi
Manzini
Mappin
Mar
Marais
Marañón
Marbury
Marbury
Marc
Marcel
March
March (AP MEIRCHION)
Marchal
Marchand
Marchand
Marchão
Marchesi
Marchesini
Marchetti
Marchi
Marchudd (AP CYNAN)
Marcilla
Marcó
Marco or Marcos
Mare
Mare (de la)
Maréchal
Marecos
Maredudd (or Meredith, AP BLEDDYN AP CYNFYN)
Maredudd (or Meredith, AP MORGAN)
Margetson (Dublin)
Mari
Marichalar
Marie
Marimón
Marin
Marín
Marinho
Marini
Marion
Marioni
Maris
Mariz
Mark (s)
Markham
Markham (Dublin)
Marley
Marlow (e)
Marmeleiro
Marney
Marot
Marple (S)
Marques
Marquet
Márquez
Marquis
Marra
Marrades
Marriott
Marschall
Marsden
Marsh
Marsh (of Flint)
Marsh (Springmount, Queen’s co)
Marshal (Earls of Pembrokeshire)
Marshal (l) I
Marshal (l) II
Marshall
Marshall (Cork)
Marsham
Marsilla
Marteau
Martel
Martel
Martell
Martell (lords of Llanfaches, Montgomeryshire)
Martelli
Martens
Martí
Martin
Martín
Martin (Galway)
Martin (lords of Cemais, Pembrokeshire)
Martin (of Pembrokeshire, lord of Treglemes)
Martin I
Martin II
Martin or Martyn
Martindale
Martine
Martineau
Martinelli
Martinet
Martínez I
Martínez II
Martini
Martins
Martins
Martos
Maruniak
Marvin
Marward (Meath)
Marwood
Marx
Mary
Marzari
Marzolo
Mas (du)
Masalski
Masca
Mascarenhas
Masi
Mason
Mason
Mason
Masse
Massey
Massimo
Masson
Massy or Massey
Masters
Masterton
Maszkowski
Mata
Mata or Mota
Mataró
Matas
Matela
Mateo
Matéu
Mathau (AB IEUAN AP GRUFFUDD GETHIN)
Mathau (or Mathew, GOCH)
Mather
Mather or Madder
Mather or Mathers (Armagh)
Matheson
Mathew
Mathew (of Llandaff, Glamorganshire)
Mathew (of Lleweni Green, Denbighshire)
Mathews (of Blodwel, Llanyblodwel, Shropshire)
Mathieu
Mathieu I
Mathieu II
Mathis
Mathon
Matos or Mattos
Matoses
Matson
Mattei
Matthews
Matthias
Matz
Maude or Mawhood
Mauger
Maul or Maule
Maule
Maurel
Maurer
Mauri
Maurice
Maurice or Morrice (Wales)
Maurin
Maury
Mawddwy (lords of)
Mawdesley
Max or Maxey
Maxfield
Maxton
Maxwell
Maxwell (Waterford and Down)
May
May (de)
May (Dublin)
Maya
Maycock
Mayer
Mayer (le)
Mayfield
Maynard
Maynard (Wicklow)
Mayo
Mayr
Maza
Maza
Maze
Mazza
Mazzoleni
Mazzoli
McAdam
McAuley
McAvoy (or McEvoy)
McBride
McBride (2)
McCabe
McCann
McCartan
McCarthy
McCarthy (2)
McCartney
McConnell
McDaniel
McDonough
McElroy
McFadden
McGarry
McGarvey
McGee
McGeoghegan
McGill
McGillycuddy
McGovern
McKeever (or McIver)
McLaughlin (or O'Laughlin)
McMahon
McManus
McMullen
McNulty
McSweeney (or MacSween)
McVeagh
Meacham
Meade
Meade
Meade (Cork)
Meadows
Meager
Meagher
Meakin
Meares
Meares or O'Meers (Longford)
Mearns
Meath (Kingdom of Meath)
Mecham (Westmeath)
Meda
Medeiros
Meder
Medici
Medina
Medley
Mee
Meech
Meggs
Meier
Meighe
Meik
Meiklejohn
Meira
Meireles
Meirion (MEIRIONNYDD)
Meissner
Mejía or Mejías
Melbourne or Milborne
Meldrum
Meldzinski
Meléndez
Melgarejo
Meli (or Melo)
Meliá
Mell
Meller
Mellini
Mellis
Melloni
Mellor
Melo or Mello
Melton
Melville
Melyn (Mellyn Magnus)
Mena
Mena
Ménard
Mendanha
Mendes
Méndez I
Méndez II
Mendoça or Mendonça
Mendoza I
Mendoza II
Menéndez
Meneses
Meneses
Mengen
Menteith
Menue (de la)
Menze
Menzer
Menzies
Merbury (or Marbery, Justiciar of South Wales)
Mercati
Mercer
Mercer (of Temby, Pembrokeshire)
Mercier
Mercier I
Mercier II
Merck
Merckel
Mercurio
Mercy
Meredith
Meredith (of Stansty, Denbighshire)
Meredith (Sligo)
Merfyn (FRYCH, King of Gwynedd )
Mergulhão
Merino
Merit or Merritt
Merle
Merlet
Merli
Merlin
Merlin
Merlini
Merrick
Merrick (Rhys ap Meurig, of Glamorgan)
Merrick or MacMerrick (Dublin)
Merrifield
Merrill
Merry
Merry
Merryman
Mertens
Merton
Mertoun or Merton
Mertz
Mervyn
Mervyn (Tyrone)
Mesi
Mesía
Mesquita
Mesquita
Messmer
Messner
Mestre
Métayer
Metcalf or Medcalf
Metcalfe
Metford
Metham
Methven
Métivier
Metzger
Meunier
Meurig (King of Dyfed)
Meurig (King of Gwent)
Mewes
Mexia
Meyer
Meyer
Meyrick
Meyrick (of Bodorgan, Anglesey)
Mezquíriz
Mezzo
Michaud
Michaux
Michel
Michelet
Micheletti
Micheli
Michelson
Michon
Mickleton
Middleton
Middleton
Middleton
Middleton (Daughter m. Rhirid ap Dafydd)
Middleton (Marmaduke-Bishop of St. David’s)
Midgley
Mienta
Mier
Mierzaniec or Mieszaniec
Miglia
Migliorati
Migliore
Mignani
Mignot
Miguéis
Miguel
Miguel
Mihil or O'Mihill
Mikieson
Mikulicz
Mikulinski
Milano
Miláns
Milbank
Milborne (of Herefordshire)
Mildred
Miles or Moyles (Tipperary)
Miles or Myles
Milford
Millán
Millar
Millard or Meler
Mille
Miller
Miller
Miller or Millar (Clare)
Millerd (Cork)
Millet
Millett
Milliken
Millington
Millot
Mills
Milne
Milner
Milo (FITZWALTER-Earl of Hereford)
Milroy
Milton
Milward
Milward (Wexford and Kilkenny)
Milzecki
Mina
Minchin (Tipperary)
Minelli
Mínguella
Mínguez
Minnitt (Tipperary)
Minnoch
Minors
Miquel
Mir
Miralles
Miramonte
Miranda
Miranda
Mirecki
Misset
Mitchell
Mitchell
Mitchell (Leitrim)
Mitchell or Michell
Mitchelson
Mitford
Moccia
Moel (of Anglesey)
Moffat
Mogg
Mogila
Mogilowski
Mohr
Mohun or Moynes
Mohyla
Moine
Moir
Mojsiewicz
Mole
Molencki
Molera
Molin
Molina
Molineux
Molins
Moll
Möller
Molleson
Molson
Molton
Molyneux
Monaghan
Monari
Moncada
Moncayo
Monck
Monck or Monk
Moncke or Monks (Louth)
Monckton
Moncreiff
Moncur
Mondéjar
Mondini
Móner
Moneta
Moneva
Monier
Monin
Monington (of Brinsop, Herefordshire)
Monins
Moniz
Moñiz
Monmouth (Lord Monmouth)
Monmouth (lords of)
Monnet
Monnier
Monsalve
Monson or Munson
Montagna
Montagne or Montaigne
Montague
Montagut
Montalbano
Montalvo
Montalvo
Montañá
Montanari
Montaner
Monte
Montebello
Montecchi
Monteforte
Monteil
Monteiro
Montenegro
Monterroio
Montês
Montesi
Montford
Montfort (Daughter m. Llywelyn ap Gruffudd)
Montgomerie
Montgomery
Montgomery (Donegal and Down)
Montgomery (Sir John, of Walys)
Monti
Monticelli
Monticola
Montini
Montmorency (Tipperary)
Montoia
Montorio
Montoro
Montoya
Monypenny
Monza
Moody
Moone or Moon
Moore (lords of Crick, Monmouthshire)
Moore (or O'More)
Moore I
Moore II
Moorhouse
Mora
Mora
Morais or Moraes
Morales
Morales
Morán
Moran
Morand
Morandi
Morando
Morato
Morató
Morda (FRYCH, lord of Cil-y-cwm)
Mordaunt
Mordaunt (Clare)
Morden or Mordon
More
Moreau I
Moreau II
Morehead
Moreira
Morel I
Morel II
Moreland or Mereland
Morelli
Moreno
Moret
Moreta
Moreton or Morton
Moretti
Moretto
Morgan (AP LLYWELYN, of Tredegar, Monmouthsire)
Morgan (Arxton, Hereford, formerly of Llanddewi)
Morgan (Dublin)
Morgan (of Langstone, and Pen-coed, Llanmartin)
Morgan (Sir, AP MAREDUDD)
Morgan I (Wales)
Morgan II (Wales)
Morgan III (Wales)
Mori
Moriarty
Morice
Morin I
Morin II
Morini
Moris (of Caswilia, Brawdy, Pembrokeshire)
Morison
Morison
Morland
Morley
Moro
Moroney
Moroni
Morosini
Morrell
Morrey
Morris
Morris (of Cardiganshire)
Morris (Wales)
Morris (Wexford)
Morrison (Dublin)
Morrogh (Limerick)
Morse
Morteski
Mortier (du)
Mortimer
Mortimer
Mortimer
Mortimer (Baron of Coedmor, Cardiganshire)
Mortlock
Morton
Morton (1655 Ireland)
Morton 2
Morys (AP DAFYDD AB IEUAN)
Mosca
Moscatelli
Mosconi
Moscoso
Moscoso
Moseley or Mosley
Mosquera
Moss
Mossman
Mostyn
Mota (de la)
Mott
Motta
Motte (de la)
Moubray
Moulin
Moultrie
Mounier
Mounsey
Moura
Mourão
Mouta
Moutinho
Mouton
Mouzinho
Mow
Mowat
Mowbray
Mower
Moyer
Moyes
Moyle
Moyle (or Mule of Ruthin, Denbighshire)
Muckle
Mudie or Moody
Múgica
Muglia
Muguerza
Mühl
Mühlen
Muir
Muirhead
Mulcaster or Muncaster
Muldoon
Mules
Müller
Mullett
Mulligan
Mulrooney
Mulvaney
Mumford
Münch
Mundell
Mundy
Munier
Munn
Muñoz
Muñoz I
Muñoz II
Munro
Murat
Murchison
Murdelio
Murdoch
Mure
Murilhas
Murillo
Murison
Murphy
Murr
Murray
Murray
Murtagh
Muschamp (Dublin and Cork)
Muschamps
Musgrave
Mushet
Muter or Muterer
Myddleton (of Gwenynog, Denbighshire)
Myers
Myers (Dublin)
Myrton
Mytton
Mytton (lords of Mawddwy)
Nabram
Nackowicz
Nadal
Nadal
Nader
Naesmith
Nagel
Nagle
Nagle (Cork)
Nairn
Naish or Nash (Limerick)
Nalecz or Nalencz
Nalewka
Nangle (Meath)
Nani
Nanney or Nanny
Nano
Nantes
Nanti
Naper or Napper
Napier
Napier or Napper
Napiwon
Nápoles
Napolski
Nardi
Narváez
Narvais
Narvarrete
Naselli
Nash
Nash
Nash (of Nash, Pembrokeshire)
Nasi
Natarcz
Nathan
Nava
Nava
Navaja
Navarro
Navarro
Navas
Navascués
Naves
Naylor
Neale
Needham
Needham or O'Nee
Nefydd (HARDD, Caernarfonshire)
Negrão
Negreiros
Negrelli
Negrete
Negri
Negro
Negroni
Neilson
Neira
Nelli (or Nello)
Nelson I
Nelson II
Nelson or Nealson
Nelthorpe
Nepveu
Nerli
Nero
Neroni
Neto
Netterville or Netterfield
Neuhaus
Neuhof
Neumair
Neumann
Neumayer
Neuville
Nevado
Neveu
Nevill or Neville
Nevill or Neville (Wexford)
Neville
Nevins
Nevoy
New or Newe
Newall
Newark (e)
Newbery
Newbold
Newburgh
Newcomb (e)
Newcombe or Newcomen
Newcomen
Newcomen (Langford)
Newell
Newland
Newlands
Newlin
Newman
Newman (Dublin)
Newmarch
Newmarch (Conqueror of Brycheiniog 11th century)
Newport
Newport (Quartered by Lloyd of Foxall)
Newport (Sir Richard, Shropshire, Knighted 1560)
Newsam or Newsom
Newsom or Newsam
Newton
Newton
Newton (alias Cradock)
Newton (Antrim and Tyrone)
Niccoli
Nicholas
Nicholis or MacNicholas (Louth)
Nicholl
Nicholls
Nicholson
Nicholson (Dublin)
Nicola
Nicolas
Nicoletti
Nicolini
Nicolis
Nicolle
Niddrie
Nieczuja I
Nieczuja II
Niemczyk
Niemeyer
Niesobia
Nieto
Niewiadomski
Niezgoda
Niezuchowski
Nightingale
Nikorowicz
Nimmo
Niño
Nisbet
Nisbet
Niven
Nixon (Fermanagh)
Nobili
Noble
Noble
Noble
Nobre
Nóbrega
Nodari
Noel
Noel
Nogueira
Nogueira
Noguer
Noguera
Nogués
Nolan
Noonan
Noone
Norbury
Norbury (of Flint-Branch of Bulkeley)
Norbury or Norbery
Norgate
Nori
Noriega or Noriego
Norland
Norman (Louth)
Norman I
Norman II
Normand
Normand
Normann
Norreys or Norris (Dublin)
Norrington
Norris (Sir John, of Pen-llin, Glamorgan)
Norris or Norreys I
Norris or Norreys II
North
Northcote or Northcott
Northey
Norton
Norton (Dublin)
Norvel
Norwich
Norwood or Northwood
Notario
Noto
Nott
Nottingham
Novais
Novelli
Novello
Novés
Novoa
Nóvoa
Nowak
Nowell
Nowina
Nowosiel
Noyes
Nugent (Westmeath)
Nunes
Núñez
Nunn
Nurse
Nurse
Nuti
Nutt
Nuttall
Oakeley
Oakes
Oare
Oates I
Oates II
O'Beirne
O'Beirne
Obercamp
O'Bergin
Oberhauser
Oberkampf
Oberkirch
Oberländer
Obermair
Obermann
O'Boland
O'Bolger or Boulger
O'Boran or Borran
O'Boylan
O'Boyle (Donegal)
O'Branagan or Branigan
Obregón
O'Brennan (Connacht)
O'Brennan (Ossory)
O'Brien
O'Brien
O'Broder
O'Brophy
O'Brosnan
Obuchowicz
O'Byrne
O'Byrne (Wicklow)
O'Cahan
O'Cahan or Cahane (Londonderry)
O'Cahan or Kane or Keane
O'Cahill (Tipperary)
O'Calane or Callan
O'Callaghan
Ocampo
O'Canavan
O'Carolan
O'Carrie or O'Carry
O'Carroll
O'Carroll
O'Casey
O'Casey
O'Cassidy
O'Cassidy
Occa
Ocetkiewicz
Ochabski
Ochoa
Ochôa
Ochs
Ochterlony or Auchterlony
O'Clary
O'Clery
O'Coffey (Cork)
O'Collins or Cullane
O'Concannon
O'Condron or Conran
O'Connell
O'Connell or MacConnell
O'Connellan (Kilkenny)
O'Connor
O'Connor (Corcomroe)
O'Connor (Don)
O'Connor (Faly)
O'Connor (Kerry)
O'Connor (Sligo)
O'Conolly
O'Conry (Offaly)
O'Coonan or Conan (Dublin)
O'Corcoran
O'Cornyn
O'Corrigan or Carrigan
O'Cosgrave
O'Coulter or Colter
O'Coyne (Dublin)
O'Crean (Mayo and Sligo)
O'Crehall
O'Crotty
O'Crowley or Crouley
O'Cullen or Culhoun
O'Cullinan
O'Currie
O'Daly
O'Daly or Dawley
O'Dane
O'Dargan or Dorgan or MacDeargan
O'Davoren (Clare)
Oddi
Oddie or Oddy
O'Dea or Day (Clare)
O'Delany
Odell
O'Dempsey
Odena
O'Dennehy or Denny
O'Dermond (Dublin)
O'Desmond (Cork)
O'Devaney
O'Devlin (Donegal)
Odin or Odo
Odin or Oudin
O'Dinneen
O'Doherty or Dogherty
O'Doinn, O'Doyne or O'Dunn
Odojewski
O'Dolan 1
O'Dolan 2
O'Donegan or Donagan
O'Donellan or Donlon
O'Donlevy
O'Donnell
O'Donnell
O'Donnelly
O'Donnelly
O'Donoghue
O'Donovan
O'Donovan
O'Doolan
O'Dooley or Dowley
O'Doran
O'Dowd
O'Dowd
O'Dowling (Kilkenny)
O'Downey
O'Downing (Dublin)
O'Doyle
O'Driscoll
O'Drone or Dron
O'Drought (Wicklow)
Odrowaz
O'Duane, O'Devine or O'Duana
O'Duffy (Monaghan)
O'Duggan
Odwaga
O'Dwyer
Odwyn (AP TEITHWALCH, Lord of Ceredigion)
Odyniec
Oertel
O'Fahy
O'Fallon
O'Falvey
O'Farley or O'Farrelly
O'Farrell
O'Farrell or O'Ferrall (Galway)
O'Farren
O'Fay or O'Fee
O'Feely
O'Feney or O'Feeney
O'Fennell
O'Fennelly
O'Fergus or Ferris (Mayo)
Offield or Ofield
Offley
O'Finaghty or Finnerty
O'Finn
O'Finnegan
O'Flaherty
O'Flanagan
O'Flanaghan
O'Flattery
O'Flynn
O'Fogarty
O'Foley (Dublin)
O'Foran
O'Foy or O'Fie
O'Friel or Friell (Donegal)
O'Gahan or Gahon
O'Gallagher or Goligher
O'Galvin
O'Gara
O'Gara (Sligo)
Ogarde or Ogard
O'Garvey
O'Gavin or O'Gavan
Ogden
O'Gibney
Ogier
Ogilby (Londonderry)
Ogill
O'Gillen or Gillan
Ogilvie
Ogle
Ogle (Wexford)
O'Gleeson or Glissane
Oglethorpe
Oglio
Ogonczyk
O'Gorman
O'Gorman or MacGorman
O'Gormley
O'Grady
O'Grady (Limerick)
O'Grehan or Greaghan
O'Griffin or Griffey
O'Grogan (Wexford)
O'Grogan or Groogan
Ogston
O'Haffy or Haughey
O'Hagan
O'Hagan (Tyrone)
O'Halloran
O'Halloran (Galway)
O'Halpenny or Halfpenny
O'Halpin 1
O'Halpin 2
O'Haly or Healy (Limerick)
O'Hamill
O'Hanlon
O'Hanly
O'Hanna
O'Hannon
O'Hanraghan
O'Hanraghty or Henraghty
O'Hara
O'Hara
O'Hare
O'Hare or Haire (Fermanagh)
O'Harkins or Harkan
O'Hart
O'Hart
O'Hartigan
O'Hartley or Hartily
O'Harty (Dublin)
O'Hayden or Headon
O'Hea
O'Hea
O'Hea (or Hayes)
O'Healy or Hely
O'Heffernan
O'Hegarty
O'Hendrick or Henrick (Dublin)
O'Hennessy
O'Henry (Galway)
O'Herlihy
O'Heyne or Hynes
O'Hickey 1
O'Hickey 2
O'Higgin
O'Hoey
O'Hogan
O'Holohan or Hoolihan
O'Horan or Haren
O'Horgan or Hourigan
O'Hough
O'Hurley or Herlihy
O'Hussey or Hosey
O'Hyland or Hayland
Ojeda
O'Kearney
O'Keefe
O'Keeffe
O'Keenan or Kinane
O'Keevan
O'Kelleher
O'Kelly
O'Kelly
O'Kennedy
O'Kenny or Kenney (Dublin)
O'Kerrigan
O'Kielty or Quilty
O'Kiely
O'Kieran
O'Kieran, Kearon or Kearns
O'Killeen
O'Kinahan or Cunningham
O'Kindelan (Meath)
O'Kinealy
O'Kirby
O'Kirwan
Okminski
Okno
Oksza
Okun
O'Kyan (Wicklow)
Olabarría or Olavarría
Olaf (son of Sihtric)
Olalde
O'Lalor or Lawler
O'Langan
O'Lanigan or Lenigan (Tipperary)
Olano
O'Larkin
O'Laughlin
O'Lavin
Olawa
Oldcastle
Olde
Oldfield
Olea
O'Leahy
O'Leary
O'Lehane or Leehan
O'Lenihan or Lenaghan (Limerick)
O'Lennon or Lennon
Oliffe
Oliphant
Oliva
Oliva
Oliva
Olivares I
Olivares II
Olivari
Olivas
Olive (d')
Oliveira or Olival
Oliver
Oliver
Oliver
Oliver (Limerick)
Oliver (Ulster)
Olivera
Oliveras
Oliveri
Oliverson
Olivier
Oliviera
Olivo
Oller
Olley
Ollier
Olmedo
Olmo
Olney
O'Lonergan
O'Looney or Lunny
O'Loughlin
O'Loughlin 2
O'Loughnan or Loughnane
Olton or Owlton
O'Mackesy
O'Mackey (Dublin)
O'Madden
O'Mahony
O'Malley
O'Malley
O'Mallun or O'Mullan
O'Malone
Omaña
O'Marley or Marlay (Westmeath)
O'Meagher or O'Maher
O'Meara
O'Meara
O'Meehan or O'Meighin
O'Melaghlin or MacLoughlin
O'Merry (Waterford)
O'Millea or Milley (Carlow)
O'Mohan or Mohun
O'Molony or Mullowney
O'Monahan
O'Mooney (Meath)
O'Moran or MacMoran
O'More or Moore (Kildare)
O'Moriarty or Moriartie
O'Moroney
O'Mortagh (Thomond)
O'Mulcahy or Caughey
O'Muldoon or Meldon
O'Mullally or Lally
O'Mullan or Mullen
O'Mulledy or O'Neady
O'Mulligan
O'Mullins
O'Mulloy
O'Mulloy or Molloy
O'Mulrony or Mulrooney
O'Mulvihill (Clare)
O'Murphy
O'Murphy or O'Morchoe (Wexford)
O'Murtaugh or O'Moriarty
O'Naghten
O'Neil
O'Neilan or O'Neylan
O'Neill
O'Neill
Onesti
Onley
Onofri
Onofrio
O'Noonan
Onorati
O'Nowlan or Nolan (Galway)
Ontiveros
O'Phelan or O'Faolain
Opie
Oppermann
O'Quigley
O'Quill
O'Quin (Thomond)
O'Quin or O'Cuinn
O'Quinlan or O'Quinlevan
Oraa
O'Rafferty
O'Rahilly (Kerry)
Orange
Orbea
Orby
Orchard
Ord
Ord
Ordelaffi
Orden or Órdenes
Ordóñez
Ordway
O'Regan
O'Regan
O'Reidy (Tipperary)
O'Reilly
O'Reilly or Riley
Orellana
Orelli
Orgill
Oria
Origlia
Origo
O'Ring or O'Rinn
Orio
Oriol or Oriola
O'Riordan or Rearden
Orla
Orlandi
Orlandini
Ormaechea
Ormani
Orme
Orme
Orme (Mayo)
Ormerod
Ormesby
Ormesby
Ormeston
Ormiston
Ornelas
O'Rodon or Rodden (Westmeath)
O'Rogan (Armagh)
O'Ronan (Kilkenny)
O'Ronan (Limerick)
O'Ronayne (Waterford)
O'Roney or Rooney
O'Roney or Rooney (Dublin)
O'Rourke
O'Rourke or O'Rorke
Orozco
Orpen Kerry)
Orpie Dublin)
Orr
Orr (Belfast)
Orrell
Orrock
Orselli
Orsini
Orso
Ortega
Ortiz
Ortiz I
Ortiz II
Ortmann
Orton
O'Rush or Rushe (Ireland 1599)
Orwell
O'Ryan (or Mulrian)
Orzo
Osborn
Osborn (e)
Osborne
O'Scanlon
O'Scully (Westmeath)
Osek
O'Shanahan or Shannon (Clare)
O'Shaughnessy
O'Shea or O'Shee
O'Shee (or Shea)
O'Sheehan
O'Sheil (Tyrone)
O'Sheridan
O'Slattery (Clare)
Osmond
Osorio
Osório
Osorno
O'Spillane or Spelman
Ospino
Ossa
Osten
Ostermann
Ostermayer
Ostertag
Ostmann
Ostoja
Ostrog
Ostroga
Ostrogski
Ostrozencki
O'Sullivan
O'Sullivan
O'Sullivan Beare
Oswald
Oswald
Oszczewski
O'Teevan or Teevan (Cavan)
Otero
O'Tierney
O'Toole
O'Toole
O'Trehy or Troy
Ott
Ottaviani
Otteley
Otter
Otto
Ottoni
O'Tuohy (Galway)
Otway
Otway (Tipperary)
O'Twomey or O'Tuama
Oughton
Ourém
Ouseley
Ouseley
Ouston
Outiz
Outram
Ovejas
Overman
Overton
Owada
Owain (AP EDWIN, or Owen)
Owain (AP GRUFFUDD, or Owen)
Owain (CYFEILIOG, Prince of Powys)
Owain (GLYNDWR, Prince of Wales)
Owain (GWYNEDD)
Owen (of Caer-Fryn, Anglesey)
Owen (of Caernarfonshire)
Owen I
Owen II
Owens (Antrim)
Owgan
Owtred or Oughtred
Oxford
Oxley
Oxney
Oxton
Ozores
Ozymblowski
Pabst
Pace
Pace
Pacheco
Pacheco
Pacini
Pack or Packe
Packenham
Packenham (Earl of Longford)
Packer
Packington
Packwood
Padarn (PEISRUDD)
Paddon
Paddy
Padilha
Padilla
Padró
Páez
Pagan
Pagani
Paganini
Pagano
Page
Page
Pagès
Paget
Paget
Pagliacci
Pagliarini
Paillard
Paillet or Payet
Paim
Pain
Pain (AP RANDOLFF)
Pais
Paisley or Pasley
Paisley or Peasley (Kildare)
Paiva
Pakeman
Palacio
Palacios
Paladini
Palafox
Palazzi
Palazzo
Palencia
Paletta
Palgus (Constable of Harlech, sheriff of Merionethshire)
Palhares
Palhavã
Palk
Palkowski
Palla
Pallant
Pallás
Pallavicini
Palles or Pallas (Dublin)
Palley
Palliser (Wexford)
Palma
Palma
Palma or Palmas
Palmeiro
Palmer
Palmer
Palmer (Dublin)
Palmerola
Palmieri
Palombar or Palomar
Palomino
Palomo
Palumbo
Paluzzi
Pamplona
Panciera
Paniagua
Panizza
Panizzi
Pannell
Pannini
Panther
Pantoja
Pantoja
Panton
Panton
Panzano
Panzer
Paola
Paoli
Paolucci
Paparona
Pape
Papin
Paprzyca
Papworth
Paquet
Parada
Paradis
Paradisi
Paramour or Paramore
Paraski
Pardo
Pardo
Pardoe
Pardy
Paredes
Pareja
Parent
Parenti
Pares
Parfitt
Paris
Paris
Paris I
Paris II
Páris or Paris
Parise
Pariset
Parisi
Parisot or Pariseau
Park
Parke
Parker
Parker (Galway)
Parker (of Llanllywed, Monmouthshire)
Parker I
Parker II
Parkes
Parkhill
Parkhouse
Parkhurst
Parkins
Parkinson
Parma
Parmentier
Parnell
Parnell
Parnham
Parr
Parra
Párraga
Parreño
Parrott
Parry (of Basinwerk, Flint)
Parry (of Llandygwydd, Cardiganshire)
Parry (of Poston, Herefordshire)
Parry (Ossory)
Parry (Wales)
Parsons
Parsons (Offaly)
Partington
Partridge
Parvis
Pascal
Pascall or Paschall
Pascual
Pasetti
Pashley
Pasi
Pasini
Paske
Pasmore or Passmore
Pasquali
Pasqualini
Pasquier
Passamonte
Passarini
Paston
Pastor
Pastrana
Patalim
Patch
Pate
Paterno
Paterson
Pateshall
Patiño
Patkul
Pato or Pavão
Paton
Patriarca
Patrick
Patrini
Patrizi
Patten
Pattison
Pau
Paul
Paul
Paul
Pául
Paul (Carlow and Waterford)
Paulet
Paulet or Powlet
Paulewicz
Paulini
Paulmier dit Pommier
Paulucci
Paur
Pavanelli
Paveley
Pavesi
Pavia
Pavone
Pavoni
Pawelsz
Pawley
Pawson
Paxton
Payen
Payler
Payne
Payne (of Denbighshire)
Paynter
Paz
Paz
Pazos
Pazzaglia
Peach
Peachey
Peacock
Peacock (or Paucok, Pecok, Carmarthen)
Peacock I
Peacock II
Peacocke (Clare)
Peak (e)
Peake (or Pec, Denbighshire)
Pearce
Pearse
Pearse (Tipperary)
Pearson
Pearson or Pierson
Peart or Pert
Pease
Peat
Pec
Pecci
Peche
Peck
Peck
Peckham
Pecorari
Pedder
Peddie
Pedigrew
Pedler
Pedley
Pedrajas
Pedraza
Pedretti
Pedrini
Pedro
Pedroni
Pedrosa
Pedrosa
Pedrosa
Pedroso
Pedroso
Pedwardine (of Herefordshire)
Pedzic
Peebles
Peek
Peel
Peer
Peers
Peeters
Pegado
Pegas
Peirse
Peixão
Peixoto
Pekoslaw
Peláez
Pelham
Pelikan
Pelissier
Pell
Pellegrini
Peller
Pellerin
Pelletier
Pellett
Pellew
Pelley
Pelli
Pellicani
Pellicer
Pelnia
Pelton
Peltot
Pemberton
Pembridge
Pembridge (of Penbrugge, Herefordshire)
Pembroke
Peña (de la)
Peñaranda
Penarth (of Cardiff)
Pender
Pender
Pendleton
Pendleton (1625)
Pendred
Penell
Penfold
Penford
Pengeley
Penketh
Penkoslaw
Penley
Penman (Gibraltar)
Penmarch (of Penmark Castle, South Glamorgan)
Penn
Pennant
Pennant (of Penrhyn-Castle, Caernarvonshire)
Penne (1596)
Pennefather (Tipperary)
Penner
Penney
Penning
Pennington
Penny
Pennycook
Penrees (or Penrice, of Penrice, Gower)
Penrice
Penrith
Penrose
Penteny (Meath nd Louth)
Pentland
Penton
Penway
Penwyn (Iorwerth ap Cynwrig ab Iorwerth)
Peperell
Pépin
Peploe
Pepoli
Peppard (Drogheda)
Pepper
Pepys
Pequim
Peral
Perales
Peralta
Peralta
Perceval
Perceval (Sligo)
Percy
Perdigão
Pereira
Perellós
Peres or Pires
Perestrelo
Peretyatkowicz
Pérez I
Pérez II
Perini
Perkins (of Pilston, Monmouthshire)
Perks
Pernot
Pernus
Pero
Peronne
Perrault
Perret
Perrier
Perrière (de la)
Perrin
Perrin
Perron
Perrot
Perrot (of Haroldston, Pembrokeshire)
Perrott
Perry
Perry or Peery (Clare)
Perryman
Pershall or Peshall
Persico
Perton
Peruzzi
Pesaro
Pescara
Pescatori
Pesci
Pesenti
Pesquera
Pessanha
Pessoa
Pestana
Peter
Peter or Petre
Peterer
Peters
Peterson
Peterson
Petit
Petit I
Petit II
Petitjean
Petitt (Meath)
Petrarca
Petrie
Petrini
Petrone
Petroni
Petrucci
Pett
Pettet
Pettigrew
Petty
Petty or Pettie
Peverell
Peverell (of Pembrokeshire)
Peyre
Peyton or Payton
Pfaff
Pfau
Pfeiffer
Pfeil
Pfister
Phaire or Fair (Wexford)
Phelps
Phesant
Philip
Philip (AB IFOR)
Philip (AP MADOG AB IEUAN)
Philip (Sir, AP RHYS, Breconshire)
Philippe I
Philippe II
Philippes
Philippi
Philipps (of Picton, Carmenthenshire)
Philips or Phillips
Phillimore or Filmore
Phillips
Phillips or MacPhillips
Phillipson
Phillpot
Philpot (AP RHYS)
Phipps
Piacentini
Piatti
Piatyr
Piazzola
Picanço
Picard
Picard (or PICHARD-lords of Ystrad, Breconshire)
Picart
Piccardi
Piccioli
Pichard
Picher
Pichler
Pichon
Pichot
Pickard or Picard
Pickering
Pickett
Pickford
Pickwick
Pickworth
Picoli
Picone
Picot
Picot (or Pigot, lord of Klynn, Pembrokeshire)
Picton
Picton (of Pembrokeshire)
Pidal
Pielesz
Pielgrzym
Pierce (Meath)
Piero
Pierpont
Pierre (de la)
Pierrepont
Pierres
Pierrot
Piers (Westmeath)
Pierson
Pierzcha
Piestnik or Plesnik
Pigeon
Pignatelli
Pignatelli
Pignone
Pigott
Pigott (Galway)
Pike
Pike or Pyke (Mayo)
Pilati
Pilawa
Pilcher
Pilgram
Pilgrim
Pilkington
Pillans
Pillet
Pilli
Pillon
Pilmure or Pilmore
Piloni
Pimenta
Pimentel
Pimentel
Pina
Piña
Pinard
Pindar or Pinner
Pine or Pyne
Pineau (Pinault)
Pineda
Pinedo
Pinel
Pinella
Pinelli
Piñera
Pinet
Pinfold
Pinheiro
Pinho
Pini
Pinkerton
Pinkerton
Pino
Piño
Pinoli
Pinós
Pinot
Pinson
Pinson or Pynson
Pinto
Pinto
Pio
Piorastrusic
Pioroslaw
Piot
Piovani
Pipe
Piper
Pipho or Phypoe (Dublin)
Piquer
Piqueras
Piquet
Pirie
Pironi
Pisa
Pisani
Pisanski
Pisoni
Pita or Pitta
Pitblado
Pitcairn
Pitcher
Pitchford
Pitfield
Pitman
Pitt
Pitt (Dublin)
Pizaño
Pizarro
Pizarro
Pizzi
Pizzoli
Plana or Planas
Planck
Pläss
Plater
Platt
Platz
Player
Playfair
Playford
Plaza
Pleasance
Pledger
Plemiecki
Plenderleith
Plessinger
Plessis or Plessey
Plomer
Plompton or Plumpton
Plon
Plott
Plötz
Plowden
Plum
Plummer
Plummer
Plunkett
Plunkett (Louth)
Pnieynia
Pó
Pobog
Pocklington
Podesta
Podjaski
Podkowa
Poeta
Poggi
Pogonia I
Pogonia II
Pohl
Pohl
Poirier
Poirot
Poisson
Poitevin or Potvin
Poitiers
Pokora
Polanco
Polani
Pole or Poole
Poley
Poli
Polini
Poliwczynski
Polkozic
Pollard
Pollard (Westmeath)
Pollen or Paulin
Pollet
Pollock
Polo
Polota
Polubinski
Polwarth
Pomian
Pompei
Ponce de Leão
Ponce I
Ponce II
Poncet
Pons
Pons
Ponsonby
Pont
Pont (du)
Ponte
Ponte
Ponte
Pontefract (of Denbighshire)
Ponton
Poole (of Hawarden, Flint)
Poor (e)
Pope
Popham
Popkin (of Fforest. Swansea)
Popolo
Poraj
Porcaro
Porcel
Porcel
Porcher
Poronia
Porras
Porras or Porres
Port (e)
Porta
Portal
Porte (de la)
Portello
Porteous
Porter
Porter (Meath)
Porter (of Aberconwy)
Porterfield
Portes (des)
Portier
Portman
Porto
Porto
Porto (Porto-Carrero)
Portocarreiro
Portugal
Posada or Posadas
Posadowski
Posch
Postel
Postolski
Potier
Pott (s)
Potter
Pottier
Pottinger
Pouget
Poulain
Poullet
Poulter
Poulton
Pound
Povey
Powel (of Llandow, Glamorganshire)
Powell (of Breconshire)
Powell (of Perth-hir, Monmouthshire)
Powell (of Rhiwabon, Denbighshire)
Powell (or POUUEL-Sir Hywel, ap Hywel)
Powell (Wales)
Power (or Poer)
Power or LePoer (Waterford)
Powis or Powys
Pownall
Powrie
Powtrell
Powys (FADOG, Princes of Northern Powys)
Powys (WENWYNWYN-Princes of Southern Powys)
Poyner
Poynter
Poynton
Poyntz
Poyntz or Punch (Armagh)
Pozniak
Pozo
Pozza
Pozzo
Pradera
Prado
Prado
Praga
Prandini
Prat
Prat
Prata
Prato
Pratt
Pratt (Meath)
Pratt (of Parc-y-pratt, St Dogmaels, Pembrokeshire)
Prawdzic I
Prawdzic II
Prechel
Prego
Prego or Priego
Prendergast (Tipperary)
Prendergast (Wexford)
Prentice
Prescot
Prescott
Presno
Preston
Preston
Preston (Meath)
Prestwich
Preti
Preto
Prettyman or Pretty
Preuss
Prévost I
Prévost II
Price (Longford)
Price (of Aberbechan, Llanllwchaearn, Montgomeryshire)
Price (Sir John, of Brecon)
Price or Pryce (Wales)
Prichard (Parson of Denbighshire)
Priddle
Prideaux
Pridham
Pridmore
Priest or Prest
Priestley or Prestley
Prieto
Prieur
Prigent
Primo
Primrose
Prince
Pringle
Pringle (Tyrone)
Printz
Prior (Dublin)
Prior or Pryer
Pritchard
Privado
Probert (of Pant-glas, Tryleg, Monmouthshire)
Probst
Proctor
Proença
Promnicz
Prosperi
Prost
Proud
Prous or Prowse
Proust
Provost
Provost
Prudhome
Prudhomme
Prus I
Prus II
Prus III
Przegonia
Przerowa
Przestrzal
Przichowitz
Przosna
Przyjaciel
Przytarski
Pucci
Puchala I
Puchala II
Puente (de la)
Puerta I
Puerta II
Puga
Puget
Pugh
Pugh (of Mathafarn, Llanwrin, Montgomeryshire)
Pugliese
Puig
Pujades
Pujol
Puleston (of Emral, Worthenbury, Denbighshire)
Pulford
Pulido
Pullen
Pumfrey
Purcell
Purcell (Tipperary)
Purdey or Purdy
Purefoy
Purnell
Purser
Purves
Purvis
Pusch
Pusch
Pusey
Putnam II
Putnam or Putman
Putz
Puzyna
Pye
Pye (of Herefordshire)
Pyle
Pym
Pyne (Chief Justice of Ireland)
Pynsent
Pypka
Pyrton
Quadros
Quadros
Quaile
Quain
Quaranta
Quaresma
Quarles
Quarles (Ireland 1616)
Quarrel (of Kilpeck, Herefordshire)
Quartermaines (Dublin)
Quatermain
Queimado
Queipo
Queiroga
Queirós or Queiroz
Quelch
Quelch
Quennell
Quental or Quintal
Quentin
Queralt
Quesada
Quesne (du
Quesnel
Quexada
Quick (e)
Quicke
Quijada
Quijano
Quilter
Quincey
Quincoces
Quincy
Quindós
Quinhones
Quinn
Quiñones
Quintana
Quintanilhas
Quintero
Quintin or Quinton
Quinto
Quinto
Quiroga
Quirós
Quituera
Quiza
Raab
Rabal
Racine
Rada
Radborn (e)
Radcliffe
Radford
Radoniski
Rados
Radoszynski
Radwan I
Radwan II
Radzic I
Radzic II
Radziminski
Radziski or Radzitzky
Rae
Raeburn
Raffaeli
Raffin
Raglan (of Carn-lwyd, Llancarfan, Glamorgan)
Ragland (Wales)
Ragot
Raikes
Raimbaud
Raimond
Raimondi
Rainer
Rainer
Raines
Rait or Reath
Raleigh
Ralston
Ram (Wexford)
Ramage
Ramalho
Rambaldi
Ramires
Ramírez I
Ramírez II
Ramón
Ramos
Ramos
Ramponi
Ramsay
Ramsbotham
Ramsden
Ramsey
Ramult
Rand or Randes
Randall
Randi
Randolph
Randolph
Raney
Rangel
Rangel
Rangoni
Ranieri
Rankin
Ranson
Raoul
Raper
Raposo
Rappe
Rarowski
Rastall (of Tenby, Pembrokeshire)
Ratcliff
Rathbone
Ratta
Rattray
Ratuld or Ratult
Rau (Rhau-Gutowski)
Raughter or Rafter (Kilkenny)
Rault
Rausch
Rava
Ravani
Raven
Ravenhill
Ravenscroft
Ravenscroft (of Bretton, Hawarden, Flint)
Rawdon
Rawicz I
Rawicz II
Rawles
Rawlings
Rawlins
Rawlins (Bishop of St David’s)
Rawlinson
Rawson
Ray
Ray
Raymond
Raymond I
Raymond II
Raynal
Rayne (of Brocastell, Glamorgan)
Raynford
Raynolds (Dublin)
Rea or Ree
Read (Meath)
Read (of Carmarthenshire)
Read (of Roche, Laugharne, Carmanthenshire)
Read I
Read II
Reade or Reed
Reading or Reding
Readshaw
Réal
Réau
Rebelo
Rebolledo
Rebolo
Reboredo
Reboul
Recco
Record (of Tenby, Pembrokeshire)
Reddish
Redman
Redman (Kilkenny)
Redmond (Wexford)
Redon
Redondo
Redondo
Redpath or Ridpath
Redwood
Rees, Rhys or Rice
Reeves
Reeves or Reve
Refóios
Reggio
Regia
Regina
Regis
Regnard
Regnier
Rêgo
Regoli
Regras
Reich
Reichardt
Reichel
Reichen
Reichenbach
Reid
Reider
Reillo
Reimão
Reinhardt
Reinhold
Reinoso
Reis
Reiser
Reisner
Reixa
Rejman (or Reymund)
Rekowski
Reksin (or Rexin)
Rembowski
Remington
Rémond
Remy
Rena
Renard
Renard
Renaud
Renaudin
Renault
Rendon
Rendón
Rengifo
Renier
Renka (Reka)
Renner
Renny or Rennie
Renshaw
Renton
Requena
Resch
Resende or Rezende
Reson or Reason
Resti
Reuss
Reutter
Revaldo
Revel
Revel (l)
Revell (of Cilgerran, Pembrokeshire)
Revilla or Rivilla
Rey
Reyher
Reyman
Reynard
Reynaud
Reynell
Reynes
Reynold (of Bishop’s Castle, Shropshire)
Reynolds (or Reignolds, of Denbighshire)
Reynolds I
Reynolds II
Rhein
Rheiner
Rheinhallt (Reginald, King of Man)
Rhidrid (AB YNYR, AP JONAS AP GRONWY)
Rhidrid (FLAIDD-of Penllyn, Merionethshire)
Rhodes
Rhodri (MAWR AP MERFYN FRYCH)
Rhos (lord of Hywel)
Rhun (AB EDNYWAIN, lord of Tegeingl)
Rhun (AP GRONWY)
Rhydderch (LE GROS)
Rhys (AB EINION SAIS)
Rhys (AP BELDRI AP CYDIFOR FAWR)
Rhys (AP DAFYDD GOCH)
Rhys (AP DAFYDD)
Rhys (AP MAREDUDD AB OWAIN)
Rhys (AP Sir GRUFFUDD)
Rhys (AP TEWDWR MAWR)
Rhys (GOCH OF YSTRAD YW)
Riall or Ryle (Dublin and Tipperary)
Ribafria
Ribas
Ribeira
Ribeiro
Ribelles
Ribera or Rivera
Ricalde
Ricard
Ricardi
Ricasoli
Ricca
Ricci
Ricci 2
Riccio
Rice (Kerry)
Rich
Richard
Richard (AP CADWALADR)
Richard (IARLL KLAR, Earl of Clare)
Richard I
Richard II
Richards I
Richards II
Richardson
Richardson
Richardson (Tyrone)
Richer
Richmond
Richmond
Richter
Rickart
Ricketts
Rico
Riddall or Ridall or Riddel
Riddell
Riddock
Ridell
Rider
Ridge
Ridgeway
Ridgley
Ridler
Ridley
Ridolfi
Ridout
Ridsdale
Riedl
Rieger
Riesgo
Riess
Rieu
Rigal
Rigaud
Rigby
Rigg
Rigg (s)
Riggs (Ireland 1600)
Righetti
Righi
Rigley or Wrigley
Rigotti
Rinaldi
Rincón
Ring
Ringwood
Rio
Rio
Río (del)
Rios
Ríos
Riou
Rioux
Ripley
Ripoll
Ripollés
Rippon
Riquer
Rise
Risebrow or Risebrough
Riso
Ritchie
Ritter
Riva
Rivas or Ribas I
Rivas or Ribas II
Rivera
Rivero
Rivers I
Rivers II
Rivet
Rivett or Riffett
Rivière
Rivière (de la)
Rivoire (de la)
Rixton (of Conwy)
Rizzi
Roa
Robalo
Robartes or Robarts
Robe
Roberge
Robert
Robert (AP DAFYDD AP RHYS)
Robert (AP GRUFFUDD)
Robert (AP HYWEL, Denbighshire)
Robert (lord of Cydewen)
Roberton
Roberts
Roberts (Cork)
Roberts (Wales)
Robertson
Robillard
Robin
Robin
Robin (AP GRUFFUDD GOCH)
Robineau
Robinet
Robins
Robins (or Robinson, Bishop of Bangor)
Robinson
Robinson or Robison
Robles
Robles
Robnet (of Caldicot, Monmouthshire)
Robotham or Rowbottom
Robres
Robson
Robyns or Robbins
Roca
Rocca
Rocchi
Rocco
Roch I
Roch II
Roch III
Rocha
Rochcicki
Roche (de la)
Roche (of Pembrokeshire)
Roche (Viscount Fermoy)
Rochead
Rocher (du)
Rochester
Rochford
Rochfort or Rochford (Meath)
Rock (Dublin)
Rock (e)
Rockwell
Rockwood
Rodd
Roddam
Röder
Roderick (Wales)
Rodie
Rodier
Rodney
Rodovalho
Rodrigo
Rodrigues
Rodríguez I
Rodríguez II
Rodway
Roe
Roe (Ireland 1656)
Roebuck
Rogala
Roger
Roger or Rodger
Rogers
Rogers (Cork)
Rogerson
Rogier
Rogoyski (Rogojski )
Rojas
Rojo
Rol
Rola
Roland
Rolandi
Rolando
Rolbiecki (Rolbeck)
Roldán
Rolfe
Rolicz
Rolland
Rolland
Rolle
Rolleston
Rollet
Rollin
Rollo
Rolt
Roma
Romain
Román
Romani
Romano
Romano
Romano
Romans
Romay
Rome
Romeiro
Romeo
Romer
Römer
Romero
Romeu
Romney or Rumney
Romo
Ronald
Ronchi
Rondeau
Rone or Roan
Ronow (or Ronau)
Ronzoni
Rook (e)
Roope
Roos
Roos
Roper
Roque
Ros
Rosa
Rosa ( de la)
Rosa or Rosas
Rosado
Rosal
Rosales
Rosani
Rösch
Roscoe
Rose
Rose
Rose
Roseberry
Rosen
Rosenberg
Rosenbusch
Rosenthal
Röser
Rosetta
Rosher
Rösler
Ross
Rosset
Rosseter
Rossetti
Rossi
Rossignol
Rossiter or Raucester (Wexford)
Rosso
Roswell
Rota
Rotari
Rotermund
Roth
Rothe (Kilkenny)
Rotheram
Rothwell
Rotondo
Rott
Rouett
Rouget
Rougier
Round
Rousseau I
Rousseau II
Roussel
Rousset
Roux
Rouxel
Rouyer
Rovelli
Rovere
Rovira or Rubira
Row
Rowan
Rowan
Rowan (Carrickfergus)
Rowdon
Rowe
Rowe (Wexford)
Rowland
Rowlett
Rowley
Rowley or Rolan (Londonderry)
Rowntree
Roxas
Roy
Roy
Roy
Roydon
Roydon (of Is-Coed, Denbighshire)
Royer
Royse
Royse or Royce (Limerick)
Royston
Rozmiar
Rua
Rubach
Rubalcava
Rubí
Rubiales
Rubiesz
Rubini
Rubio
Rücker
Rudd (Bishop of St David)
Rudd (Wales)
Rudecki
Rudetzki
Rudge
Rüdiger
Rueda
Ruffino
Ruffo
Ruffolo
Ruggieri
Ruiz
Rule
Rumel
Rumford
Ruminski
Rummel
Rumpel
Rundle
Rupprecht
Rus
Rusby
Rush
Rushbrook
Rushby or Rusheby
Rushworth
Russell
Russell
Russell (Down and Meath)
Russell (of Brimaston, Pembrokeshire)
Rust
Ruste (of Abergwili, Carmarthenshire)
Rustici
Rutherford
Ruthven
Rutledge (Mayo)
Rutt
Rutter
Ruxton (Louth)
Ryan or O'Mulrian (Tipperary)
Rycroft
Ryder
Ryder (Clare)
Rydzynski
Rye
Ryland
Rynd
Rys
Rzepitzk
Rziczanski
Sá
Saavedra
Saavedra
Sabater
Sabatier
Sabbatini
Sabin (e)
Sabini
Sabourin dit Perche (de la)
Sacca
Sacchetti
Sacchi
Sacco
Sachs
Sackville
Sacoto
Sacristán
Sadington
Sadleir or Sadler
Sáenz
Sagarra
Sagasta
Sage
Sager
Sainsbury
Saint
Saint-Amand
Saint-Amour
Saint-André
Saint-Ange
Saint-Aubert
Saint-Aubin
Saint-Charles
Saint-Clair
Saint-Croix
Saint-Denis
Sainte-Marie
Saint-Georges
Saint-Germain
Saint-Hilaire
Saint-Jacques
Saint-Jean
Saint-Laurent
Saint-Léger
Saint-Martin
Saint-Michel
Saint-Paul
Saint-Pierre
Sajani
Sala
Sala
Salaberry
Salamanca
Salamandra
Salas
Salaun
Salazar
Salazar
Salcedo
Salcedo
Salcés
Saldanha
Sale
Sale (s)
Salema
Salerno
Sales
Salesbury (of Lleweni, Denbighshire)
Salgado
Salgado
Salinas
Salinas
Salisbury
Salle (de la)
Salles (des)
Salmon
Salmon
Salmon or Sammon
Salomon
Salomoni
Salter
Salter
Salter (of Oswestry, Shropshire)
Salto
Saluzzo
Salvá
Salvador
Salvat or Salvate
Salvatierra
Salvatore
Salviati
Salvin
Salvo
Salwey
Salzmann
Samaniego
Samborne or Sanborn
Sames or Samms
Samford
Sampaio or São Paio
Samper
Sampson
Samson
Samson
Samuel
San Miguel
San Victor
Sances
Sanches
Sánchez I
Sánchez II
Sanchiz
Sancho
Sandby
Sande
Sande
Sandeman
Sander
Sanders or Saunders
Sanderson
Sanderson
Sandes or Sandys or Sands
Sandford
Sandford (of Glamorgan)
Sandilands
Sandon
Sandoval
Sanford
Sanhudo
Sanjurjo
Sankey (of Conwy)
Sanna
Sansoni
Santa Cruz
Santa Maria
Santander
Santarém
Santi
Santiago
Santiago
Santillán
Santini
Santon
Santoro
Santos
Santucci
Sanz I
Sanz II
Saracini
Saracino
Saraiva
Saravia
Sarcide
Sardá
Sardi
Sardinha
Sare (s)
Sargant or Sergeant
Sarmento
Sarmiento
Sarnesfield (of Herefordshire)
Sarrazin
Sarsfield
Sartawski
Sass
Sasse
Sasseti
Sassetti
Sassi
Sattler
Sauchy
Sauer
Sauli
Saulnier
Sault (du)
Saunders (of Pendine, Carmanthenshire)
Saunier
Sauvage
Savage
Savary
Savery
Saville
Savin
Savini
Sawle
Sawyer
Saxby
Saxton or Sexton
Say
Sayer
Sayn
Sbarra
Scacchi
Scala
Scales
Scali
Scarborough
Scarfe (of Lamphey, Pembrokeshire)
Scarlatti
Scarlett
Scarsi
Schack
Schäde
Schaden
Schäfer
Schaff
Schäffer
Schaffner
Schagen
Schäl
Schaldorf
Schalk
Schall
Schallen
Schaller
Schantz
Schaper
Scharden
Schärer
Scharf
Scharfenberg
Scharmann
Scharp
Schatte
Schatz
Schau
Schaub
Schaubert
Schauenburg
Schauer
Schaul
Schaumann
Schauss
Schäven
Schäzler
Schebe
Schechner
Scheck
Schedel
Scheden
Scheel
Scheeren
Scheeres
Scheffel
Scheffer
Scheffler
Scheibler
Scheid
Scheiding
Scheidt
Scheiner
Schele
Scheler
Schell
Schellenburg
Scheller
Schelling
Schenk
Scherb
Scherer
Scherf
Scherl
Scherling
Schetz
Scheu
Scheve
Schiavoni
Schick
Schickler
Schieber
Schieck
Schier
Schiff
Schiffer
Schilden
Schildt
Schiller
Schilling
Schindler
Schirmer
Schlack
Schlaff
Schlägel
Schlapp
Schlecht
Schlegel
Schleich
Schleicher
Schlein
Schlemmer
Schlenk
Schlieben
Schlitz
Schlosser
Schmeling
Schmid
Schmidt
Schmieden
Schmit
Schmitz
Schnabel
Schneck
Schneider
Schnell
Schneller
Schnepf
Schober
Schoch
Schöder
Schöler
Scholl
Scholler
Scholtz
Schön
Schönau
Schönberg
Schönebeck
Schöneck
Schöner
Schönfeld
Schöning
Schöpfer
Schorer
Schott
Schotte
Schrader
Schrag
Schramm
Schreiber
Schreyer
Schröder
Schubart
Schubert
Schuler
Schülte
Schultheis
Schultz
Schulz
Schumacher
Schurman
Schuster
Schutz
Schwab
Schwäger
Schwan
Schwartz
Schwartzkopf
Schwarz
Schweigger
Schweitzer
Schwerin
Schwind
Sciacca
Scobell
Scofield
Scolari
Sconce
Scott
Scott
Scott (Queen's Co.)
Scotti
Scotto
Scougall
Scourfield (of New Moat, Pembrokeshire)
Scratton
Scriven
Scriven (of Frodesley, Shropshire)
Scrivener
Scroggs or Scruggs
Scrogie
Scroope or Scrope
Scrymgeour
Scudamor (m. daughter of Owain Glyndwr)
Scudamore or Skidmore
Scura
Scurlage (of Glamorgan)
Seabra
Seabright
Seagar or Seager
Seagrave or Seagrove
Seagrim or Seagram
Seale
Sealy
Seaman
Searle
Sears or Sayer
Sebaldt
Sebastiani
Seco
Seddon
Seebach
Seeberg
Seeger
Seelig
Seemann
Sega
Segar
Segdewick
Seger
Segni
Segrave
Segrave (Killeghan, co. Meath)
Seguin
Segura or Seguro
Segurado
Seidel
Seidl
Seisyll (AP DYFNWAL)
Seitz
Seixas
Selbach
Selby
Selioke or Selleck
Selley or Silley
Sellier (le)
Selman
Selva
Selvaggi
Selwyn
Sem
Semedo
Semper
Semple or Sempill
Senatori
Sénéchal
Senger or Singer
Senhouse
Sentis
Sepiaglowa
Sepúlveda
Sequeira or Siqueira
Sera
Serafini
Serce
Seres
Sergeant
Sergeaunt (of Monmouthshire)
Serna
Serpa
Serpa
Serra
Serra
Serra or Serrador
Serrano
Serrão
Serre
Serres
Sesso
Sesto
Seton
Settimo
Severim
Severino
Severn (e)
Seward
Seward (Cork)
Sewell
Sexton
Sexton (Ireland 1597)
Seybold
Seyfried
Seymour
Seymour
Sforza
Shackleton
Shadden or Shaddon
Shadforth
Shadwell
Shadworth
Shafto
Shakespear (e)
Shand
Shank
Shapleigh or Shapley
Sharp
Sharp
Sharples
Shaw
Shaw
Shears
Shedden
Sheffield
Sheild
Sheldon
Shelley
Shelton
Shepard
Shepley or Shipley
Sheppard
Sherar or Sherard
Sherborne
Sherborne (of Pembrokeshire)
Sherbrooke
Sheriff (e)
Sherington
Sherman
Sherwin
Sherwood
Shewal or Sewell
Shield
Shiers
Shillington
Shipman or Shipham
Shipton
Shirley or Sherley
Shives or Schives
Shone
Shore
Short
Shorter
Shortt
Shouster or Shuster
Shrigley
Shum
Shute
Shuttleworth
Sibbald
Sibert
Sicard
Sidley
Sidney or Sydney
Sieber
Siegel
Sieger
Siegfried
Siekierz
Siemionowicz
Sieniuta
Sierpy
Sierra
Siestrzeniec
Signorelli
Signorini
Sikes or Sykes
Silber
Silby or Sylby
Silva
Silva
Silva or Da Silva
Silveira
Silvela
Silver
Silvester
Silvestri
Simard
Simcoe
Simeon
Simeone
Simões
Simon
Simon
Simoncelli
Simonds or Simon
Simoneau
Simonet
Simonetta
Simonetti
Simoni
Simonin
Simpson
Simpson
Sinclair
Singleton
Singleton (Meath and Monaghan)
Sinibaldi
Sisco
Sisto
Sitwell
Sivright
Sixt
Skal
Skeffington
Skelton
Skene
Skereth or Skerett (Galway)
Skerett or Skerit
Skevington (of Cheshire)
Skilling
Skinner
Skipton
Skipwith
Skirving
Skoczowski
Skopowski
Skorski
Skowronski
Skrbenski
Skrochowski
Skull
Skull (of Breconshire)
Skwarczynski
Slack
Slade
Slader
Slaney or Slany
Slater
Slator or Slater (Meath)
Slawata
Slegge or Slegg
Sleich
Slepowrod
Slepowron
Slewman
Sligo
Slingsby
Slon
Sloper
Slough
Smale or Smalley
Small
Small
Smallman
Smallwood
Smart
Smart or Smert
Smeaton
Smedley
Smellie
Smiley or Smyly (Dublin)
Smith
Smith (of Denbighshire)
Smith or Smythe
Smithers
Smithson
Smithwick
Smollett
Smyth
Smythe
Smythson
Snead (of Cheshire)
Snell
Snelling
Sneyd or Sneed
Snodgrass
Snow
Snowden or Snowdon
Soame
Soares
Sobral
Sobrinho
Sodré
Soeiro
Sofia
Sohr
Sokola
Sola
Solana or Solano
Solari
Solchaga
Soldati
Soldevilla
Sole
Soler
Soleri
Solers (of Breconshire)
Solier
Solis
Solís
Söllner
Solms
Soltyk
Somer
Somerfield
Somerford
Somers or Summers
Somerset
Somerton
Somerville
Somerville
Somma
Sommer
Sommerfeld
Somoza
Sonnenberg
Soote
Sopeña
Soper
Soprani
Sorel
Sorolla
Soromenho
Sorrell
Sotelo
Sotheby
Sotillo
Soto
Sotomaior
Sotomayor
Soulard
Soulier
Soulis
Sousa
Sousa I
Sousa II
Soutelo
South
Southby
Southcott
Southern
Southey
Southham
Southwell
Southworth
Souto or Soito
Soveral
Soverosa
Sowak
Sowdon
Sowerby
Soyer
Spada
Spalding
Spalding
Sparke (s)
Sparrow
Spatz
Spaxton or Spaxon
Speake
Spearman
Specchi
Specht
Speid
Speidel
Speir
Speke or Spike
Spelman or Spilman
Spence
Spence (Aberdeen)
Spence I
Spence II
Spencer
Spencer (Vicar of Wiston, Pembrokeshire)
Spengler
Spens
Speri
Sperling
Sperling or Spurling
Speroni
Spezzani
Spicer (of Caernarfonshire)
Spicer or Spycer
Spiegel
Spieler
Spielmann
Spiering
Spiers
Spies
Spiller
Spiller
Spindler
Spinelli
Spinello
Spinetta
Spini
Spinkes
Spittal or Spittle
Spitzer
Spooner
Spot
Spottiswood
Spragg
Spranger
Spratt
Sprecher
Sprengel
Spreull or Spruell
Sprigg (e)
Spring
Sprott
Spry
Spurrier
Squibb
Squire
Squire
Sreniawa
Sroka
St Asaph (Llanelwy, Diocese of)
St Bride (of Pembrokeshire)
St David's (Diocese of)
St George
St John
St John (of Fon-mon, Glamorgan)
St Maur (SEYMOUR, of Penhow Castle, Monmouthshire)
St Quintin (of Tal-y-fan, Glamorgan)
St. Clair
St. Michael
Stable
Stablowski
Stach
Stack
Stack (Kerry)
Stacker
Stackhouse
Stackpole (of Pembrokeshire)
Stacy
Stacy (e)
Stadler
Stafford
Stagg
Stagni
Stagno
Stahl
Stainer
Staines
Stainton
Stamfield or Stanfield
Stamford or Stanford
Stamp
Stanbridge
Stanbury or Stanbery
Stanckar or Stankar
Standard
Standen
Standish
Stanfield
Stanford
Stang
Stanhope
Stanhope
Stanley
Stanley (of Ewloe, Flint)
Stanley (Roscommon and Westmeath)
Stanney ( of Oswestry, Shropshire)
Stanton (or STAUNTON, Pembrokeshire)
Stanton or Staunton
Stanwix or Stanwick
Staple
Stapleton
Stapleton
Starck
Starke
Starkey (of Cheshire)
Starkey or Sharkey (Dublin)
Starkey or Starkie
Starling
Starr
Starykon
Staub
Stauber
Staunton (Galway)
Staveley
Stead or Steed
Steadman
Stecher
Steck
Steding
Stedman
Stedman (of Cardiganshire)
Steel (e)
Steele
Steen
Steer (e)
Stefani
Stefanini
Stefano
Steffan
Stegmann
Stegmanski
Steiger
Stein
Steinbach
Steinbeck
Steinberg
Steinberger
Steiner
Steinhart
Steinhaus
Steinmann
Steitz
Stella
Stengel
Stenger
Steno
Stephen
Stephen (or Ystiffin)
Stephens or Stevens
Stephenson or Stevenson
Stepney
Stepney (of Prendergast, Pembrokeshire)
Stern
Sternberg
Sternberg
Sterne
Stettner
Steuben
Steuber
Steurer
Stevenson
Stevenson (Down)
Steward
Stewart
Stewart (Marquess of Londonderry)
Stickel
Stiehl
Stier
Stiles or Styles
Stilwell
Stirling
Stobart
Stocco
Stochmann
Stock
Stockdale
Stöckel
Stocker
Stocker
Stockl
Stockley
Stockton
Stockum
Stockwell
Stockwood
Stoddart
Stoddart
Stöhr
Stojanowic
Stoke
Stokes (Dublin)
Stokes or Stock
Stolle
Stolobot
Stolobot (Version 2)
Stoltz
Stone I
Stone II
Stoner
Stoney (Tipperary)
Stopford
Stopford or Stockport
Stoppa
Storch
Storer
Storey
Storie
Stork
Storr
Story
Stosch
Stoss
Stössel
Stothert
Stott
Stoughton
Stow (e)
Strabolgi
Strachan
Strachwic
Strada
Stradling (of St. Donat’s, Glamorgan)
Strahl
Strait (s)
Straiton
Strange
Strange or Strang
Stranger
Strangways
Strass
Strasser
Stratford
Stratherne
Strathy
Stratton
Straub
Strauch
Straus
Streber
Street (e)
Strehle
Strelley
Streng
Stretton
Strickland
Stringer
Ströbel
Strobl
Strode
Strombeck
Strong
Stronoch or Stronach
Strother
Strozzi
Strube
Strucki or Strutzky
Struthers
Strutt
Struve
Stryvelin
Strzal
Strzaly
Strzela
Strzemien
Stubbs
Stuber
Stücker
Studdy
Studley
Studnicki
Stumpf
Stupart
Sturdy
Sturgis or Sturges
Sturt
Styward (of Denbighshire)
Suardi
Suárez
Suchekomnaty
Suckow
Sudbury
Sulima
Sulley
Sully (of Glamorganshire)
Sumner
Sumpter
Supico
Surtees
Suszynski
Sutcliffe
Suter
Sutherland
Suttie
Sutton
Sutton (of Gwersyllt, Denbighshire)
Sutton (of Haverfordwest, Pembrokeshire)
Swain or Swayne
Swainson
Swale
Swallow
Swan
Swan
Swan (Wexford)
Swanson
Sweet
Sweeting
Sweetland
Swienczyc
Swierczek
Swift
Swift (Kilkenny)
Swift or Swifte
Swinford
Swinka
Swinnerton
Swinton
Swisczewski
Sword
Sydenham
Sydow or Sidow
Sydserf
Syer
Syme
Symes
Symington
Symmer
Symons
Syms
Syrokomia
Syward (or Siward, lord of Rhutin, Glamorgan)
Szabla
Szalawa
Szalec
Szalec I
Szarlinski
Szaszkiewicz
Szczaplina
Szedzinski
Szeliga
Szembek
Szepticki
Szpak
Szpot-Gliszczynski
Szydlowiec
Taaffe
Taap or Tapp
Taber
Taberner
Taboada
Taboada
Taborda
Taccone
Taczala
Taggart or MacEntaggart
Taillandier
Taillefer
Tait
Tait
Talbot
Talbot (Dublin)
Talenti
Taler
Tallant or Tallon
Talley (Chancellor of St. David’s)
Tamarit
Tamayo
Tamburini
Tame
Tancredi
Tânger
Tanguy
Tankard
Tankard (of Dudwells, Pembrokeshire)
Tankard or Tankert (Dublin)
Tanke
Tann
Tanner
Tanner
Tanner (Bishop of Derry)
Tanzi
Tapia
Tappe
Tappin
Taques
Tarcento
Tardieu
Tardif
Tardy
Tarleton
Tarnawa
Tarpley
Tarragona or Tarragone
Tarrasa
Tárrega
Tartini
Tarvit
Tasca
Taschner
Tash
Tassi
Tassinari
Tasso
Tate
Tate (Drogheda 1660)
Tatham
Tattersall
Taube
Täuber
Taunton
Tausch
Tauscher
Tavares
Taveira
Tavernier
Tavora
Tawse or Taws
Tay
Taylor
Taylor I
Taylor II
Taylour or Taylor (Dublin)
Tayre or Tayer
Teale
Teasdale
Tebaldi
Tee or Tye
Tegerin (AP CARWED, of Anglesey)
Tegwared (Y BAISWEN)
Teilo (SANT, St. Teilo)
Teive
Teixeira
Tejada
Tejera
Teles or Telo
Telesio
Teller
Téllez or Tello
Tellier
Tellini
Tempest
Templar or Templer
Temple
Temple
Templeman
Templeton
Temudo
Tena
Tench
Tennant
Tennison
Tenorio
Tenreiro
Teodoro
Tepper
Terebes
Terlecki
Ternate
Terré
Terrell
Terreros
Terrien
Terrier
Terry
Terry (Cork)
Terzi
Tessier
Tessin
Testa
Testi
Tetley or Titley
Tetlow
Teufel
Teutsch
Tew
Texeira
Texier
Teyssier
Thackeray or Thackery
Thadden
Thaer
Thaker or Thacker
Thane
Thatcher
Thayer
Thebault or Thibaud
Thein
Thelwal (of Plas-y-ward, Denbighshire)
Theobald
Théry
Thetford
Thévenin
Thevenot
Thibaudeau
Thicknesse (of Beaumaris, Anglesey)
Thiel
Thielmann
Thierry
Thimbleby (of Harlech, Caernarfonshire)
Thiriet
Thirion
Thomann
Thomas
Thomas
Thomas
Thomas (AP DAFYDD AP GRUFFUDD)
Thomas (AP GRUFFUDD AP NICOLAS)
Thomas (of Caernarfonshire)
Thomas (of Monmouthshire)
Thomas (Wales)
Thomason
Thomassin
Thompson (Dublin 1582)
Thompson I
Thompson II
Thoms
Thomson
Thorber
Thores
Thorley
Thorley
Thornbery or Thornbury
Thornburg (h)
Thorndike
Thorne
Thorne (of Shelvock, Shropshire)
Thornhill
Thornton
Thornton
Thornton (Limerick)
Thorold
Thorp
Thuillier
Thümmel
Thun
Thurburn
Thurburn or Thorburn
Thurlow (e)
Thurm
Thurmann
Thursby
Thurston
Thwaites
Tibau
Tibbs
Tição
Tidwell or Todwell
Tiefenbach
Tiepolo
Tiffin
Till
Tillen
Tilley
Tilney
Tilson or Tilston
Timpson
Tims
Tindall
Tindall
Tinney
Tinoco
Tinsley
Tinti
Tipper
Tippet (s)
Tipping
Tirelli
Tirrell or Tyrell
Tischer
Tisdale or Tisdall
Tisdall (Meath)
Tison
Tison or Tyson
Tisserand
Tissier
Tissot
Titus
Tixier
Tobin (Kilkenny and Tipperary)
Tobler
Toby
Tocco (Tocci)
Tod or Todd
Todaro
Todd
Todeschini
Todman
Todrick
Todt
Tofani
Tojal
Toledo
Toledo
Tolentino
Toler or Toller
Toler or Toller (Tipperary)
Tolhurst
Toll
Toll or Tolle
Tolley
Tolosa
Tolson
Tom
Tomacelli
Tomasetti
Tomasi
Tomes
Tomkin (of Shocklach, Cheshire)
Tomkins or Thompkins
Tomkowitz
Tomlins
Tomlinson
Tomlyn (lord of Llanllywel, Montgomeryshire)
Tompson
Tonge or Tong
Tonini
Tonkin
Tonson (Cork)
Tonti
Tony
Took (e)
Tooley
Toone
Topacz
Topete
Töpfer
Topham
Topor
Topp
Topping
Torà
Torel
Torelli
Torneio
Torner
Torney or Tourney
Torralba
Torrance
Torre
Torre
Torre or de la Torre I
Torre or de la Torre II
Torrence
Torres
Torres
Torresão
Torri
Torrington
Torto
Tortora
Toscani
Toscano
Toschi
Toshach
Tosi
Totenham
Tott
Tottenham (Wexford)
Touche (de la)
Touchet
Tough
Tour (de la)
Tourinho
Tournier
Tours
Toussaint
Tovar
Tovey
Tovy
Towers
Towgood or Toogood
Towne
Townis or Townes
Townley
Townsend
Townshend or Townsend (Cork)
Towry
Towse
Traby
Trach
Tracy
Trafford
Trago
Trahaearn (AB EINION)
Trahaearn (AP CARADOG, King of Gwynedd)
Trahaearn (GOCH OF LLYN)
Traherne
Traill
Trammel
Trane
Trapani
Trapp
Traquair
Trautner
Travassos
Travers
Travers
Traversi
Trayner
Treadway
Trebnicki
Treipland
Trelawny
Tremayne (Tremaine)
Trench
Trenchard
Trendell
Trent
Trento
Tresham
Trestka
Trevett
Trevor
Trevor
Trevor (or TUDOR TREFOR)
Trew
Treys
Trías
Triebel
Triggs or Trygg
Trigoso
Trigueiros
Trillo
Trimmer
Trimnell
Tripp
Trist
Tristram
Tristram (OR TRYSTAN)
Troest
Trojstrzal
Troncoso
Trono
Tross
Trost
Troszka
Trotman
Trott
Trott
Trotter
Trotter
Trotti
Troughton
Troup
Trout
Trout
Troutbeck (Daughter m. Sir William Griffith)
Troutbeck or Troutback
Trouvé
Trowbridge
Trowell
Trower
Troyte
Trucchi or Truchetti
Trueba
Truell (Wicklow)
Trujillo
Truman
Trumbach
Trumbull
Trupiaglowa
Truscott ot Truscoat
Trussel
Tryon
Tryumf
Trzaska
Trzemeski
Trzy Bulawy
Trzy Gwiazdy
Trzy Klosy
Trzy Korony
Trzy Kotwicy
Trzy Kreti
Trzy Tarcze
Trzy Wdar
Tubb
Tuberville (of Coetry, Glamorgan)
Tucci
Tucholka
Tuck
Tucker (of Sealyham, Pembrokeshire)
Tucker or Tooker
Tucker or Tooker (Dublin)
Tuckett
Tuczynski
Tudela
Tudor
Tudor (from Owain Tudor)
Tudur (AB EDNYFED FYCHAN)
Tudur (AP GRUFFUDD FYCHAN)
Tugwell
Tuite (Westmeath)
Tuke
Tullidelph
Tulloch
Tully (Bishop of St. David’s)
Tully or MacAtilla
Tunstall
Tupper
Turbridge (of Llan-rhudd, Denbighshire)
Turchi
Turck
Turco
Turing
Turnbull
Turnbull I
Turnbull II
Turner
Turner
Turner
Turno
Turpin
Turpin
Turrettini
Turriani
Turrini
Turrisi
Turtle
Turton
Turzo
Tutt
Twardost
Tweedie
Twine ot Twain
Twining
Twist
Twiston (of Denbighshire)
Twyford
Tyas or Tyes
Tye
Tyldesley
Tyler
Tyler (Derry)
Tyrie
Tyrrell (Dublin)
Tyrrell (Westmeath)
Tyrwhitt
Tyson
Tytler
Tywyn (lords of Tywyn, Ferwig, Cardiganshire)
Ubaldi
Ubaldini
Uberti
Uccelli
Uccellini
Udall
Udny
Ugarte
Ughi
Ugolini
Uhl
Uhlmann
Ulanicki
Ulloa
Ulloa
Ulm
Ulman
Ulmer
Ulrich
Ulveira
Umberto
Umfreville (of Pen-Marc, Glamorganshire)
Umphrastoun
Unanue
Unceta
Underhill
Underwood
Ungaro
Unger
Unhão
Unwin or Unwyn
Upton
Upton (Louth)
Urban
Urbán
Urbina
Ure
Uría
Uribarri
Uribe
Urie
Urien (RHEGED)
Urosa
Urquhart
Urquijo
Urruela
Urrutia
Urzaiz
Usher
Usher (Dublin)
Uthr (PENDRAGON, Father of King Arhtur)
Utra
Vabo
Vacca
Vaccaro
Vache (la)
Vacher
Vachon
Vaía
Vaillant
Val
Valadares
Valange
Valbuena or Valbueno
Valcárcel
Valderas
Valderrama
Valdés I
Valdés II
Valdez
Valdivia
Valdivieso
Vale
Vale
Valejo
Valença
Valence
Valencia
Valente
Valenti
Valentin
Valentine
Valentini
Valenzuela
Valeriani
Valette
Valladares
Valle
Valle
Valle (de. of Pembrokeshire)
Valle or Vale (Kilkenny)
Vallecilla
Vallée
Vallejo
Vallés
Vallesi
Vallet (du)
Valli
Valliant
Valori
Valterra
Valva
Vampage
Van (Wales)
Van or Vavon
Vandini
Vane or Fane
Vani
Vanier
Vanini
Vanni
Vans or Vaus
Vanucci
Vaquero
Vara
Varejão
Varela
Varela
Vargas
Vargas
Varin
Varley
Varney
Vasco
Vasconcelos
Vasques
Vasseur (le)
Vaughan
Vaughan (of Breconshire)
Vaughan (of Cardiganshire)
Vaughan (of Montgomershire)
Vaughan (Wales)
Vaux
Vavasour
Vaz
Vázquez
Veale
Veale (of St. Fagan’s, Glamorganshire)
Vecchi
Vecchiarelli
Vecchietti
Vega
Veiga
Veil
Veitch
Vela
Velasco
Velasco
Velasques
Velásquez
Velez
Velho
Veloso
Veluti
Venables
Venegas
Venezia
Venn
Venner
Ventura
Venturi
Venturini
Vera
Vera
Verardi
Verardo
Verástegui
Verdi
Verdier
Verdon
Verdú
Verdugo
Vere
Vergara
Vergas
Verger (du)
Verita
Vernacci
Vernaccia
Vernazza
Vernazzi
Verner
Vernet
Verney
Vernier
Vernon
Véron
Verrier (le)
Versen
Vesey or Vescy
Vespignani
Vestri
Vett
Vetter
Via
Vial
Viale
Viana
Viani
Viarana
Viard
Viaud
Viault
Vicente
Vick
Vickers
Vickery
Vico
Vidal
Vidal
Vidal
Vidal
Vidali or Vitali
Vido
Viedma
Viegas
Vieira
Viel
Viell
Vieri
Vigier (du)
Vigil
Viglietti
Vigna
Vignati
Vigneron
Vignes (des)
Vignoli
Vignon
Vigoureux
Viguier
Vila Boa
Vila Nova
Vilaça
Vilain
Vilalobos
Vilanova
Vilant
Vilar
Vilarinho
Vilas Boas
Vilhana
Vilhegas
Villa
Villagrán
Villalba
Villalobos
Villamarín
Villamil
Villani
Villanova or Villanueva
Villar
Villard
Villarnau
Villarreal
Villars
Villegas
Villeneuve I
Villeneuve II
Villers (de)
Villette
Villiers
Villiers (de)
Villiers (du)
Villinger
Vincent
Vincent
Vincenti
Vinci
Vincke
Vine
Viner or Vyner
Viney
Viola
Violet
Violo
Vipont
Vipont
Vischer
Visconti
Vitale
Vitelli
Viti
Vittori
Vitzhum
Vivaldi
Vivar
Viveiros
Vives
Vivian
Viviani
Vivien
Vivier (de)
Voel (of Haverfordwest, Pembrokeshire)
Vogado
Vogel
Vogelsang
Vogl
Vogt
Voight
Voisin
Völcker
Volkmann
Vollmann
Volmer
Volpe
Volz
Vorst
Vosper
Voss
Vuillemain ou Vuillemin
Wachter
Waddell
Wadding (Wexford)
Waddington
Waddy or Waldie (Wexford)
Wade
Wade
Wadham
Wadman
Wadsley
Wadsworth
Wadwicz
Waga
Wager
Wagner
Wagner
Wagstaff
Wahl
Wain
Wainwright
Wait (e) or Wayte
Wake
Wakefield
Wakefield
Wakeford
Wakeham
Wakeley
Wakeman
Wakerley
Walby (of Breconshire)
Walcot
Waldeck
Waldegrave
Walden
Waldie
Waldron II
Waldron or Walrond
Waldy or Waldie
Wale
Walewski
Walford
Walker
Walker (Drogheda)
Walker (Ireland 1626)
Walker I
Walker II
Walkey
Walkingham
Walkington
Walkinshaw
Wall
Wall (Carlow)
Wallace
Wallas (or Wallace, of Glamorgan)
Waller
Waller
Waller (Limerick)
Walles
Wallinge
Wallinger or Wellinger
Wallingford
Wallingham
Wallington
Wallis
Wallis (Dublin)
Wallis (of Llan-arth, Monmouthshire)
Wallis (of Llandough, Glamorgan)
Wallis (or Welsh, of Llan-wern, Monmouthshire)
Walmesley
Walpole
Walrond
Walsh
Walsh (Kilkenny)
Walter
Walters
Walters (of Piercefield, St Arvans, Monmouthshire)
Waltham
Walther
Walthers
Waltman
Walton I
Walton II
Walworth or Woolworth
Walwyn
Walwyn (Hellens, Herefordshire)
Wanger
Wanner
Warburg
Warburton
Ward
Ward or MacWard (Down)
Warde
Warde (de la, of Denbighshire)
Wardell
Warden
Warden
Wardenburg
Wardlaw
Wardrop
Ware
Ware (Dublin and Cork)
Waring
Waring (Down)
Warner
Warner
Warner (Dublin)
Warnia
Warrand
Warre
Warren
Warren (Cork)
Warren (of Tre-wern, Nevern, Pembrokeshire)
Warrender
Warrington
Warter
Wartmann
Warton
Warwick
Wäsch
Washborne or Washburn
Washington
Waskiewicz
Wasmer
Wass
Waston
Wate
Waterfield
Waterford
Waterhouse I
Waterhouse II
Waterman
Waters I
Waters II
Waters or Watters (Limerick)
Waterton
Waterton (of Herefordshire)
Watford
Watkin (AP JOHN HIR, of Breconshire)
Watkins (of Pembrokeshire)
Watkins (Wales)
Watkinson
Watson
Watson
Watson (Dublin)
Watt
Watt
Watter
Watters
Watterton
Watton
Watts
Wauchope
Waugh
Wawane or Wawne
Waxman
Way
Wayland or Weyland
Wayne
Wayneman or Wenman
Waz
Wczele
Weare
Weaver
Weaver (or Wever, of Radnorshire)
Webb
Webb (Dublin)
Webber
Weber
Webley
Webster I
Webster II
Wechsler
Wedderburn
Wedel
Wedemeyer
Wederkind
Wedge
Wedgewood
Weekes or Wykes
Wegg
Wehner
Wehren
Weichs
Weide
Weidner
Weigel
Weiler
Weinberger
Weingarten
Weinhart
Weinmann
Weinrich
Weinzierl
Weir
Weir or Weer (Dublin)
Weise
Weishaupt
Weiss
Weissman
Weiters
Weitzel
Welborne or Welburn
Welby
Welch or Welsh
Welcome
Weld
Weldon
Weldon (Meath)
Welford
Wellend
Weller
Weller
Welles or Wells
Wellesley (Meath)
Wellings
Wellington
Wellwood
Welman
Welsch
Welser
Welsh
Welston
Welter
Weltz
Wemyss
Wemyss or Weymes (Kilkenny)
Wenden
Wendt
Weng
Wenger
Wenham
Wenley
Wenlock
Wensley or Wendesley
Wentworth
Werden
Werder
Werle
Werner
Wescot or Wescott
Wesley
Wesola
West
West (Down)
Westbrook
Westby
Westerman
Western
Westfield
Westley
Weston
Westropp (Limerick and Clare)
Westwood
Wetherall
Wetherby
Wever
Weyer
Weymouth
Whaley
Whannell
Wharton
Wharton (Bishop of St. Asaph)
Whatley or Wheatley
Wheatcroft
Wheeler (Ossory)
Wheeler or Wheler
Wheelock
Whelan (Dublin)
Whight
Whipple
Whistler
Whitacre or Whitaker
Whitaker (of Denbighshire)
Whitbread
Whitby
Whitchurch
Whitcombe
White
White
White (of Tenby, Pembrokeshire)
White or Whyte (Kildare)
Whitefield or Whitfield
Whitefoord
Whitehall
Whitehead
Whitehead
Whitehorn
Whitehorse
Whitehurst
Whitelaw
Whitelaw
Whiteman or Whitman
Whiteway
Whitford
Whitham
Whiting
Whitingham
Whitington
Whitley
Whitley (of Hawarden, Flint)
Whitlock
Whitmore
Whitney
Whitney (of Herefordshire)
Whitney (Westmeath)
Whitter
Whittle
Whitton
Whitty
Whitwell
Whitworth
Wichmann
Wicke
Wickens or Wiggins
Wickham
Wickham or Wycomb
Wicks
Widderspoon or Witherspoon
Wider
Widlocke (or Whitlock, Wydlock, Pembrokeshire)
Widmann
Wieniawa I
Wieniawa II
Wiernik
Wieruszowa
Wierzbna
Wieser
Wieze I
Wieze II
Wiggett
Wight
Wight
Wightman
Wightwick
Wigley
Wigmore
Wignall
Wigton
Wilcocks
Wilcox
Wilcrick (of Monmouthshire)
Wild
Wild
Wilde (Derry)
Wilder
Wilding
Wildman
Wiles
Wilford
Wilhelm
Wilkes
Wilkie
Wilkie
Wilkins
Wilkins (of Glamorgan)
Wilkinson
Wilkinson
Willan
Willard
Wille
Willet
Willet dit Ouelette
William (Sir, AP THOMAS)
Williams
Williams (lordship of Usk, Monmouthshire)
Williams (of Pen-rhos, Monmouthshire)
Williams I
Williams II
Williams III
Williamson
Williamson
Willie
Willingham
Willington
Willis
Willison
Willmot
Willoughby
Wilmer
Wilson
Wilson
Wilson (Donegal)
Wilton
Wiltshire
Wimberley
Wimble
Winch
Winchell
Winchester
Winchester
Winckler
Winckley
Winder
Windsor
Windygates
Winford
Wingate
Wingfield or Wynfield
Wingrove
Winn or Wynn
Winram
Winslow
Winstanley
Winstanley (of St. Dogmaels, Pembrokeshire)
Winston (of Trewyn, Monmouthshire)
Winter
Winter
Winter (of Llan-gain, Carmenthenshire)
Winterbottom
Winterburne
Winthrop
Wintoun
Winwood
Wirriot (of Pembrokeshire)
Wise
Wise
Wiseman
Wiseman
Wiser
Wisham
Wishart
Wisniowiecki
Withers
Witt
Witte
Witten
Witton
Witts
Wloszek
Wogan (Kildare)
Wogan (of Pembrokeshire)
Wojeyko
Wolcott
Wolf
Wolf
Wolf
Wolf (of Wolvesnewton and Usk, Monmouthshire)
Wolfe
Wolfe (Kildare)
Wolff
Wolff (de)
Wollaston
Wolley
Wolmer
Wolseley
Wolton
Wolverton
Wood
Wood
Woodall (or Wodehall, of Flint)
Woodall or Woodhall
Woodard
Woodburgh
Woodburn
Woodcock
Woode (de la, of Flint)
Wooden
Woodfield
Woodford
Woodford (of Castell Pigyn, Carmenthenshire)
Woodgate
Woodham
Woodhouse
Woodland
Woodman
Woodridge
Woodrof or Woodrow
Woodroff or Woodruff
Woods
Woods
Woods (of Tal-y-llyn, Anglesey)
Woodstock
Woodward
Woodwards
Woolridge
Woolston
Woorley or Worley
Wootton or Wotton
Wordie
Wordsworth
Wormley
Woronowicz
Worseley or Worsley
Worth
Wortham
Worthington
Wortley
Woulfe (Limerick and Clare)
Wrangel
Wray or Wrey
Wreby
Wremby
Wren
Wright
Wright
Wright (Monaghan)
Wrightson
Wroth
Wroth (of Abergavenny, Monmouthshire)
Wroughton
Wukry
Wyatt
Wydra
Wye
Wyke
Wyld
Wylde (or Wyld, of Denbighshire)
Wylie
Wyman
Wyn (Cadwaladr, of Montgomeryshire)
Wynde (or Weind)
Wyndham
Wynger
Wynn (Dyffryn Melai, Denbighshire)
Wynn (of Gwydir, Caernonfonshire)
Wynne (Sligo and Wexford)
Wyszogota
Wyszolski
Xamer
Xifra
Ximenes
Xuarau
Yale
Yañez
Yarborough
Yard
Yardeley or Yardley
Yarnell
Yarnoz
Yarrow
Yate (s)
Yawkins
Yaxley
Yeamans or Yeomons
Yeates or Yates (Donegal)
Yeaton
Yebana
Yebra
Yellen
Yelverton
Yeo
Yeoman
Yepes
Yerbury
Yermo
Yetts
Ynyr (AP CADFARCH)
Ynyr (GWENT, King of)
Yonge
York (e)
Yorstoun or Yorston
Young
Young (Bishop of St. David’s)
Young (Kildare)
Young (of Tredrysi, Pembrokeshire)
Young I
Young II
Younge
Younger
Younger
Yrigoyen
Yrusta
Yuille or Ewell
Yuste
Zabawa
Zaccaria
Zacco
Zachary
Zadora I
Zadora II
Zaforteza
Zagalo
Zagloba
Zahn
Zambelli
Zambrano or Zambrana
Zamecki
Zamora
Zamorano
Zamudio
Zanardi
Zanasi
Zanchi
Zanelli
Zanetti
Zapata
Zapendowski
Zapolski
Zaragoza
Zárate
Zaremba I
Zaremba II
Zavala
Zayas
Zdanowicz
Zdanski
Zdzitowiecki
Zeller
Zeller
Zellweger
Zemby (Zeby)
Zerwikaptur
Zeta
Zevallos
Zgraja
Ziegler
Zimmerman
Zkrzyzluk
Zlota
Zlota Wolnosc
Zlotogolonczyk
Zmodzki
Znin
Zollner
Zorn
Zorrilla
Zouch
Zubizaretta
Zucca
Zucchi
Zucco
Zuloaga
Zulueta
Zuñiga
Zuñiga
Zurbano
Zurbarán
Zurita
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