Medieval Names of Celtic Origin

The Normans took some names from their Breton neighbours in Northern France but most Celtic survivals in Medieval England were the names of Christian saints or borne by people living near the Scottish or Welsh borders. A few names from the Arthurian legends also occur.

Male

Alan

Alain Alainon Alane
Alanus Alcock Alein
Aleyn Aleyne Allan
Allen Alleyn Helain

Arthur

Acur Arter Arther
Artheur Arthurius Arthurus
Artor Artos Artur
Arturus Artus Azer
Azorius Azur  

Balin

Balan Balian Belin

Brian

Brianus Brien Brienus
Bruiant Bryan Bryant

Brice

Bricet Briceus Bricot
Britius    

Conan

Conandus Conanus Conayn
Conon    

Donald

Donaldus Doneuuald  

Gawain

Gauvain Gavienus Gavin
Gavinus Gawayne Gawen
Gawin Gawn Gawne
Gawyn Gawyne Goin
Walganus    

Geraint

Gerente Gerontius Geruntius

Joyce

Goce Ioco Jasce
Joce Jocet Joceus
Joçon Jodocus Josce
Joss Josse Josson

Juhel

Jewell Joel Jowell
Juel    

Malcolm

Malcolinus Malcolum Malculinus
Malculms Malculmus Maucolyn
Maukolum    

Marmaduke

Marmaduc Marmaducus Marmedoke
Melmidoc Mermadak  

Nigel/Niall

Neal Neale Neel
Neil Nel Nele
Nell Niel Nigelle
Nigellus Nigs Nygell

Owen

Oenus Ouein Ouen
Ouin Owain Owayne
Oweyn Owin Owine
Owini Owun Owyne
Uwen Ywain  

Tristram

Drest Drust Drystan
Tristan Tristian Triston
Trustram Trystrem  

Urian

Uranius Urianus Urien
Uryene    

Female

Anchoret (Angharad)

Anachorita Anchoretta Ancret
Ancreta Ancrett Angaret
Ankerita Ankharet Ingaret
Ingaretta    

Brangwine

Bragwayn Brangwayna Branwyne
Braya    

Bridget

Biddy Bride Brigette
Brigida Brigit Brigitta
Bryde    

Geneviève Genevote Gennevote Gennon

Guinevere

Gaenor Ganor
Gaynore Gonore Guanor
Gueanor Guener Guenevere
Gunneuare Gwenhevare Gwenore
Gynuara Jenefer Jeneuer
Vanora Wander Wannore
Wannour

Ismay/Ismania

Emayn Emoni
Gismon Hismena Hyssmaye
Idemay Imagantia Imaigne
Imania Imanie Imayn
Imayne Imeyna Imme
Immine Imyne Isamaya
Isemay Isemeine Ismanna
Ismeina Ismena Ismenia
Ismey Jesmaine Jesmond
Jessimond Jismond Ymanie
Ymanya Ymanye Ymeisna
Ymenia Ysemay Ysmay
Ysmeina Ysmena Ysmene
 

Isolda fair aspect

Essylt Hysode
Isard Isata Isaut
Iseldis Iselota Iseuda
Iseult Iseut Isold
Isolde Isolt Isot
Isota Isott Isotta
Isouda Issat Isylte
Izett Izot Yseult
Yseulte Ysolt Ysoude
Ysout

Joyce fem of Josce, Breton 'lord'

Jocea Jocey
Jocosa Jodoca Josse
Jossy Joyse Juicea
 

Linet

Eluned Lina
Linette Linnet Linniue
Linota Linyeve Linyive
Luned Lunet Lunete
Lynette Lyneue Lyonnete
 

Maerwynn

Merewen Merewina
Merwenna

Muriel

Maryell Merhild
Meriall Meriel Merilda
Meryall Meryld Miriald
Miriel Miriela Mirield
Mirielda Mirielis Miriella
Miriild Mirils Murie
Muriele Muriella Murienne
 

Wantliana Welsh 'Gwenllian'

Wantelien Wenthelen
Wentiliana

Winifred Welsh 'Gwenfrewi', altered to look like OE 'joy + peace'

Wenefreda Winefred Winnifred
Wynifreed