| Adeodat | Ado | Ael |
| Aelig | Agnan, Aignan | Alar, Aler, Alarig, Alerig |
| Alban, Albin | Albinig | Alèthe |
| Alinoé | Allore, Alor | Alunoc |
| Andoche | Andreo, Andrev | Annaeg, Annaog |
| Aodrenig | Aofred | Aoperzh |
| Aostin | Argan | Argantael |
| Armanz | Armel | Arneg |
| Artus | Arzhael, Arzhel, Arzhul, Arzhvael, Arzhaelig, Arzhelig, Arzhulig | Arzhur, Arzhurig |
| Aube, Aubin | Audren, Aodren | Ave, Avel, Avelig |
| Avielour | Avran | Awen, Awenig |
| Aza, Azaf | Balae | Bastian |
| Beda | Benead | Benedig, Binidig |
| Bennigan | Benniged, Benniget | Berac'h |
| Berin | Bernez | Bernian |
| Bertele | Beuno | Beuzec, Beuzeg |
| Beuzegig | Bi | Biavili |
| Bieuzi | Bili | Binig |
| Blaez, Bleiz, Blez, Bleizig, Bleizou | Bozael, Bozel | Bozian |
| Brec'han | Brelivet | Brendanig |
| Breval, Brewal, Brivael, Brivel, Brevala, Brevalaer, Brevaler, Brevalan, Brewalan | Brevara, Brewen | Briac, Briag, Brieg, Brieuc, Brioc, Briog |
| Briagenn | Brian | Briegig, Briegou |
| Brior | Briunal | Briz |
| Bron | Budeaux, Budig, Budoc, Budog, Bodeg, Bozeg | Cado, Cadoc, Cadou, Caio |
| Caradec, Carantec | Catman | Cerialtanus |
| Charlez, Charlig, Charlou | Cheun | Coemgen |
| Collas | Colledoc | Conan |
| Congard | Conhoiarn | Conmore |
| Conog, Conogan | Convarch | Corentin |
| Cornely | Cyran | Dagan |
| Darry | Deklan | Deniel, Denielig |
| Denig | Denoel, Denoelig | Derog |
| Derrien | Devan, Davin, Devi, Dewi, Divi | Dic'hil |
| Dider | Dinan | Dogmael, Dogmeel, Dogvael |
| Donald | Donan, Donnan | Donasian, Donatien |
| Dozhwal | Drenig | Drenwal |
| Drev | Edern, Edernig | Edwin |
| Efflam, Efflamm, Eflamm, Efflammig, Eflammig | Eginer | Ehoarn, Ehouarn |
| Elar, Eler, Elarig, Elerig | Eleiran | Elen |
| Eliaz, Eliez | Elid | Elorn |
| Elouan, Elouen | Elvin | Emeran |
| Emeri | Emilion | Eneour |
| Enna, Enni | Enogad, Enogat | Enored |
| Envel | Eo | Eozen, Eozenig, Eozenou |
| Ergad, Ergat | Erispoë | Erlé |
| Ernin | Erwan, Erwanig | Eudon, Euzen |
| Evan, Even, Evon, Ewan, Ewen, | Evarzheg | Evemer |
| Ever | Ewin, Ewinus | Ezvin |
| Faelan | Faizh | Fanch |
| Fiac, Fiakr | Fieg | Filberzh |
| Fili, Filis | Finbar | Fingar |
| Finian, Finnian | Flann | Fleg |
| Follan | Foreannan | Fragan |
| Frañcez, Frañch, Frañsa, Fransez | Friard | Gael, Gail |
| Gallwell | Garmon | Garvan, Gauen, Gavin |
| Gevrog | Gildas, Jildaz | Gilduen, Gilduin |
| Gilles | Glaoda | Glen |
| Goal | Gobrian, Gobrien | Goezian, Gozien |
| Goneri, Gonery | Gorun, Gouron | Gothian |
| Goual | Gouenou, Gouesnou, Goueznou | Goulchan, Goulchen |
| Gouloz | Goulven, Goulwen | Gourzelv |
| Goustan | Govran, Govrian | Gralon |
| Gudwal | Guen | Guenegan, Gwenegan |
| Guennolé, Guenolé, Gwenael, Gwenole, Winwaloe? Winnol | Guenou, Guinoux | Guethenoc |
| Guigner | Guihen | Guirec, Gireg |
| Guiscard | Gulchien | Gulian |
| Guntiern | Gurguy | Gurval |
| Gurvan | Guyomard, Wiuhomarch | Gwalon |
| Gwazeg | Gweltaz | Gwendal |
| Gwengalon | Gwenneg, Winog, Winnog | Gwennin |
| Gweteonoc | Gwezheneg, Gwezhenneg | Gwier |
| Gwihen | Gwilherm | Gwilleu |
| Gwinian | Gwinier | Gwion |
| Gwithian | Gwyddno, Goueznou | Gwythian |
| Haelmoren | Hegareg | Helier |
| Henog | Herblon | Herbod, Herbot |
| Herle | Hermeland | Herve, Haerveu, Herveig |
| Hildutus | Hoel | Hoernbiu |
| Hoiernin, Hernin | Houardon | Houarn, Harn |
| Houarvian, Harvian | Iduned, Izuned | Ie |
| Ifig | Ilan | Illec |
| Iltud | Iudmoren | Ivi, Ivo, Ivon |
| Izold | Jacme | Jacut |
| Jagu, Jegu | Jak, Jakez | Jaoua, Jaouen, Jaoven |
| Jaume, Jalm | Jelvestr | Jezekael, Jezekel |
| Jili | Joavan, Joeva, Joevin | Job |
| Jodoc, Iodoc Judoc, Judog | Jord | Jos, Josse |
| Josselin | Jozeb | Jud |
| Judicael, Judikael | Juhel, Johel, Yuz, Yuzel | Juluan |
| Juvad | Kadec, Kadeg | Kado |
| Kadvalaer | Kaie | Kaou, Kaour |
| Kaourantin, Kaourintin | Karadeg, Karanteg, Karenteg | Kare |
| Karneg | Kast | Ke |
| Kelig | Kemo | Kenan |
| Kenelm | Kenerin | Kenider |
| Kentigern, Kendiern | Kerrian, Karan, Keriane | Keverne, Kavan |
| Kieran | Kilian, Kilien | Kireg |
| Kirill | Klaoda | Kleden |
| Kler | Kolaz | Kolen |
| Kolomban | Komgall, Kongal | Konan |
| Koneg | Kongar | Konhouarn |
| Konneg | Konogan | Konvarch |
| Konvoion | Konwal | Konwen |
| Korneli | Koulfinid | Kouli |
| Koulman | Koulmkell | Kristan, Kristen, Kristian |
| Laduenan, Laouenan | Lan | Lanig |
| Leonor | Leri, Lery | Levan |
| Loeiz, Loic, Loig | Lorañs, Louri | Louarn |
| Loudiern | Lukaz | Lunaire |
| Lunen | Luner | Machutus |
| Maclou | Maden | Madoc, Madeg |
| Mae | Maeg | Mael, Meal, Mel |
| Maeleg | Maelvon | Magloire |
| Maheu | Majan | Malo |
| Malor | Maodez | Maogad |
| Maoran | Marchan | Marzin |
| Matelin | Mateo | Matronus |
| Mauded, Maudez | Maugan | Maulde |
| Mautith | Maze, Mazhev | Meen |
| Melaine, Melan | Melar | Melen, Melin |
| Melguen | Melio | Meloar, Meloir, Melor |
| Meogon | Meriadeg, Meriadoc | Merin, Merryn |
| Meven, Mewen | Mikael, Mikêl | Milian, Million |
| Miliau, Milio | Modan | Modez |
| Moe, Moi, Mwy | Mollien | Molv |
| Mordiern | Morvan, Moran | Morvred |
| Nazer | Nedeleg | Neven, Nevenou |
| Neventer | Nikolaz, Nikolazig | Nin, Ninn |
| Ninian | Nioreg | Olîer |
| Onen | Ou | Oudoceus, Odoceus |
| Pabu | Padarn, Padern, Patern | Padrig |
| Paol, Pol, Paolig | Pasker | Per, Pèr, Pêr |
| Peran, Pieran, Pierrick | Pereg, Perez, Perig | Pergad |
| Pever | Primael, Primel | Privael, Privel |
| Quay | Riagad | Rieg, Rioc |
| Riothamus | Riowen | Rivoare |
| Rivold | Riwal, Riwall, Riwallan, Riwelen | Riwan, Riwanon |
| Rog | Rogasian, Rogatien | Ronan |
| Roparzh, Roperh | Ruaud | Ruvon |
| Saig | Salaun, Salaün | Salomon |
| Samzun | Sane | Santig |
| Segal | Segondel, Sekondel | Selyf |
| Senan | Senour | Servan |
| Seva, Seve | Sezni, Sezny | Sieg |
| Similien | Sklaer | Soa, Soaig |
| Solen | Stefan, Stevan | Suliag, Sulian, Suliau, Sulien, Sulio |
| Tangi, Tanguy | Tegoneg | Tei |
| Teliau, Telo, Théliau, Thélo | Tenedor, Tinidor | Tenenan |
| Theoren | Tierneg | Tiernvael |
| Tin, Tina, Tinaig | Tininor | Tirizhian |
| Tivizio | Toel, Tual | Tomaz |
| Tonan | Tremeur | Treveur |
| Tudec, Tudeg, Tudi, Tudy | Tugdual, Tudal, Tugal | Tugen, Tujan, Tujen |
| Tunio, Tuno | Turiau, Turien, Turio | Unolaus |
| Urfol | Urien | Uuel |
| Uuican | Vial, Viau | Visant |
| Vital | Von, Vann | Vonig, Venec |
| Vougay | Wrmonoc | Yan, Yann, Yanni, Yannic, Yannick, Yannig, Yannou |
| Yeun, Youn, Yun, Youenn | Yugonvarc'h | Yungourian |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.