The following lists contain names taken from Celtic legends and historical sources. Many are only found in Latin form as they were written on inscriptions during the period of Roman rule.
| Aberth | Abhartach | Abhean |
| Ablach | Acaunus | Acco |
| Adcoprovatus | Addedomarus | Adgennus |
| Adhna | Adhnuall | Adminius |
| Adomnan | Adwen | Aedan |
| Aelchinn | Aer | Aesico |
| Aesk | Aesubilinus | Agh |
| Agned | Agnoman | Agulus |
| Aherne | Aiel | Ailbhe |
| Ailell | Ailill | Aillen |
| Aillinn | Aincel | Aindelbadh |
| Aine | Ainle | Ainmire |
| Ainsel | Ainvar | Airard |
| Airetach | Airnelach | Airt |
| Albanach | Albarnaid | Alcuin |
| Allobrogicus | Alpin | Alston |
| Aluin | Alun | Amalgoid |
| Ambicatos | Ambiorix | Amergin |
| Amgerit | Amlaibh | Amulgo |
| Andala | Andela | Andesasus |
| Andragius | Androgius | Aneroestus |
| Anlaf | Antedios | Aouen |
| Apullio | Arbell | Arcallach |
| Archil | Archu | Ardan |
| Argentocoxos | Argentocoxus | Arias |
| Ariomardus | Ariovistus | Arontuis |
| Arranen | Art | Artbranan |
| Artgal | Arthgal | Arthmail |
| Artigan | Artrach | Artri |
| Arverus | Arviragus | Asal |
| Ascatinius | Atepacius | Attus |
| Audagus | Auisle | Aulay |
| Aurog | Autaritus | Avitus |
| Bacauda | Baclan | Baculo |
| Badvoc | Baethbarr | Baiscne |
| Baithan | Baithen | Baithene |
| Balor | Banquerius | Banquo |
| Barloc | Barnoc | Baroc |
| Baruch | Bathan | Beag |
| Becuma | Bedwyr | Belatucader |
| Bellicia | Bellicianus | Bellovesus |
| Belu | Beolain | Berchan |
| Berec | Beric | Bericus |
| Bernech | Berngal | Berric |
| Bersa | Betach | Bhuice |
| Bicelmos | Bilis | Biorach |
| Bitucus | Bitudacus | Blaan |
| Blathmac | Blathmec | Bleddfach |
| Blescius | Bloc | Boann |
| Boant | Bobd | Bodenius |
| Bodh | Bodhe | Bodiccius |
| Bodugenus | Boduogenus | Bodvoc |
| Bodvogenus | Bogitarus | Boisel |
| Boisil | Bonoxus | Borba |
| Bothan | Bov | Brach |
| Bragon | Bran | Brancus |
| Brannoc | Brath | Breagan |
| Breasal | Brecbrennoch | Brelade |
| Brennus | Breogan | Bres |
| Bresal | Breward | Briavel |
| Bricriu | Bricrue | Brieuc |
| Brigaco | Brigantius | Brigia. |
| Briginus | Brigomaglos | Brioc |
| Britt | Broccan | Brockmail |
| Broderick | Brogus | Broichan |
| Brucetius | Brude | Bruide |
| Bruidge | Bruscius | Brychanus |
| Brys | Bryth | Buan |
| Buccus | Buda | Budocesuganios |
| Buic | Buichet | Buite |
| Cabrach | Cabriabanus | Cacumattus |
| Cadwan | Caedmac | Cael |
| Caenneth | Caibre | Caichear |
| Caier | Cailcheir | Caince |
| Caincenn | Cainnelscaith | Cainte |
| Cairbre | Cairbri | Cais |
| Caisel | Caitchenn | Caittil |
| Calgacus | Calphurn | Camel |
| Camulacus | Candiedo | Cannaid |
| Caoilte | Capell | Caractacus |
| Caradig | Caratach | Carbery |
| Carbh | Carell | Carpre |
| Cartivellaunos | Carvilius | Cas |
| Cascorach | Cassal | Cassavus |
| Cassivellaunus | Cassobellaunus | Catavignus |
| Cathail | Cathal | Cathan |
| Cathba | Cathbadh | Cathlan |
| Cathman | Catigern | Catiotuos |
| Cattigern | Catualda | Cavarinus |
| Cé | Cealaigh | Ceallach |
| Ceanatis | Ceannmhair | Cearnach |
| Cecht | Ceithin | Celatus |
| Cellach | Celtchar | Celtillus |
| Cenau | Cerball | Cerd |
| Cerebig | Ceretic | Cermait |
| Cerotus | Cesarn | Cet |
| Cethern | Cett | Ciabhan |
| Ciach | Cian | Cicht |
| Cimarus | Cinaed | Cingetorix |
| Cinhil | Cintugnatus | Cintusmus |
| Ciotha | Ciothruadh | Cistumucus |
| Cithruadh | Clanova | Cliach |
| Clonard | Cluim | Cobthach |
| Cochlan | Codal | Codhna |
| Coemgen | Cogidubnos | Cogidubnus |
| Cogitosus | Coimhleathan | Coinmagil |
| Coinmail | Coinneach | Coirpre |
| Colasunius | Colban | Colga |
| Coll | Colla | Collamair |
| Collbrain | Colles | Colm |
| Colmkill | Colpa | Colum |
| Comgal | Comgall | Comgan |
| Comhrag | Comitinus | Comman |
| Commius | Compar | Comrith |
| Comur | Comux. | Con |
| Conaing | Conaire | Conairy |
| Conal | Conall | Conan |
| Conaran | Concolitanus | Conconnetodumnos |
| Concuing | Condidan | Conmail |
| Connachtach | Connell | Connla |
| Connor | Conor | Conory |
| Conuall | Copillus | Coplait |
| Coran | Corann | Corb |
| Corc | Corfil | Corin |
| Corio | Cormiac | Coron |
| Corotiacus | Corpry | Corrgenn |
| Cospatrick | Costicus | Cotuatus |
| Covac | Craftiny | Credne |
| Crega | Crico | Cridenbel |
| Crimall | Crimthan | Crimthann |
| Criomnal | Crocus | Crom |
| Crotus | Crovan | Cruithne |
| Crunnagh | Crunnchu | Cu |
| Cuadan | Cuailgne | Cuaillemech |
| Cualann | Cuano | Cuchulainn |
| Cuiline | Cuill | Cuiran |
| Cuirithir | Culain | Culcaigrie |
| Culhwch | Cullen | Cumhaill |
| Cumhal | Cumhall | Cummain |
| Cuneda | Cunedda | Cuneglasus |
| Cunetio | Cunittus | Cunlinc |
| Cunoarda | Cunobarros | Cunobarrus |
| Cunobelin | Cunobelinus | Cunomaglus |
| Cunopectus | Cunori | Cunorix |
| Cunotamus | Cunoval | Cunovindus |
| Cur | Curatio | Curmissus? |
| Curoi | Cushling | Cuthlyn |
| Cynloyp | Cynran | Cyrnan |
| Dagobitus | Daich | Daighre |
| Daigre | Daire | Dalbaech |
| Dalbh | Dall | Dannicus |
| Dathi | Deaghadh | Dearc |
| Dearmid | Debrann | Decheall |
| Dedidach | Deglain | Delbaith |
| Demna | Derc | Derca |
| Dergcroche | Dergdian | Dering |
| Desa | Detha | Dian |
| Dian-Cet | Diarmaid | Diarmait |
| Diarmid | Dichu | Digbail |
| Dill | Dinogad | Diocain |
| Diorraing | Diovicus | Diviciacus |
| Dobar | Doccius | Dogfael |
| Doinus | Dolar | Dolb |
| Doli | Domhar | Domingart |
| Domnann | Domnoellaunus | Donnarthadh |
| Donn-Ruadh | Dornoch | Dorus |
| Drecan | Drem | Dremen |
| Driccius | Driumne | Drochmail |
| Drostan | Druim | Druimderg |
| Drust | Drustic | Drystan |
| Duach | Duane | Duartane |
| Duatha | Dubh | Dubhacon |
| Dubhan | Dubhdaleithe | Dubhgall |
| Dubhlaing | Dubnovellaunus | Dubnowalos |
| Dubnus | Dudoc | Dufan |
| Dufgal | Duftah | Dugald |
| Dumnail | Dumnocoverus | Dumnogenus |
| Dumnorix | Dumnove | Dumnovellaunus |
| Dunegal | Dunegall | Dunmail |
| Dunocratis | Dunod | Duthac |
| Eab | Eachaidh | Easal |
| Eathfaigh | Eber | Ebicatos |
| Eborius | Eburos | Echaid |
| Ecimius | Ecne | Eidirsgul |
| Eimhir | Eine | Eisu. |
| Eithis | Elagabalus | Elaphius |
| Elatha | Elathan | Elbodugus |
| Elcmair | Eldad | Elitovius |
| Elkmar | Elvod | Elvodug |
| Eman | Emi. | Emmass |
| Enchered | Enda | Enemnogenus |
| Enestinus | Eoban | Eochaid |
| Eocho | Eochy | Eochymac |
| Eogabil | Eogan | Eoganan |
| Eoghan | Eolus | Eparchius |
| Epaticcu | Epaticcus | epatticus |
| Epillicus | Eppillus | Erc |
| Eremon | Erp | Err |
| Ervic | Esca | Espaid |
| Esunertus | Etain | Etar |
| Etarlaim | Eterskel | Etgall |
| Ethain | Ethaman | Eunan |
| Evicatos | Facha-Muilleathan | Faelinn |
| Faltlaba | Faolan | Farinmagil |
| Farinmail | Febal | Feclach |
| Fedlimidh | Feidlim | Feinn |
| Felim | Ferai | Fercos |
| Ferdia | Ferdiad | Ferdoman |
| Fermaise | Fertai | Fertuinne |
| Festinien | Ffion | Fiacha |
| Fiachna | Fiachu | Fiacuil |
| Ficna | Figel | Figol |
| Finan | Finched | Findabair |
| Findemas | Findgoll | Findlaech |
| Finegas | Finn | Finnaistucan |
| Finnan | Finnbane | Finnbennach |
| Finnian | Finnleik | Fintain |
| Finvel | Fiodhaidh | Fitheal |
| Flain | Flann | Flannan |
| Flidias | Fochlann | Foich |
| Foilleán | Foiranach | Fola |
| Follamain | Forannán | Forannen |
| Forne | Fothaid | Fotla |
| Fuad | Fufidius | Fullon |
| Fursa | Gaible | Gallgoid |
| Gamal | Garad | Garbhcronan |
| Garraidh | Gartnait | Garva |
| Garwin | Garym | Gault |
| Gavin | Gebann | Germocus |
| Geron | Getorix | Gilla |
| Gillaciaran | Gillacomghain | Gillechrist |
| Gillibride | Gillicolm | Gillocher |
| Gilloman | Gingomarus | Giolla-Caeimhghin |
| Glas | Glasan | Glein |
| Glentilt | Glore | Gnathach |
| Gnobeg | Gnomor | Gobannitio |
| Gobhan | Godebog | Goden |
| Godfraidh | Goineach | Goitne |
| Goll | Gorm-Shuileach | Gorthyn |
| Gospatrick | Gothan | Gourchien |
| Govan | Graeme | Graham |
| Grannus | Gretorix | Grian |
| Grummoch | Guan | Guern |
| Gugein | Guitolinus | Guoruoe? |
| Guotepauc | Guthar | Guthor |
| Gwythno | Hanesa | Hanlon |
| Hanno | Heber | Heremon |
| Huil | Hunno | Idanach |
| Iduthin | Iehmarc | Igalram |
| Ilar | Ilaunos | Ilbrec |
| Ilbrech | Ildathach | Imhar |
| Imidd | Indech | Indrechtach |
| Indutioamrus | Indutius | Ingcel |
| Ingnathach | Ingol | Innel |
| Innsa | Invomandus | Iogenan |
| Iollen | Iolunn | Ir |
| Irdun | Istolatius | Istoreth |
| Ith | Iubdan | Iuchar |
| Iucharba | Iunsa | Ivomagus |
| Ivonercus | Jutus | Kane |
| Keir | Kentigern | Kenulphus |
| Kian | Kilian | Kinan |
| Kinemark | Kineth | Kinnear |
| Kolbein | Kuno | Kylan |
| Kyndylan | Labra | Labran |
| Lachlan | Laeg | Laegaire |
| Laeghairé | Laery | Laethrig |
| Lainbhui | Lairgnen | Lairgren |
| Laisren | Lanuccus? | Latharne |
| Leffius | Leire | Leith |
| Leslie | Lethan | Levin |
| Lewy | Lia | Liagan |
| Liath | Liathain | Liathan |
| Lifecar | Lindores | Liobhan |
| Lir | Litaviccus | Litugenus |
| Llif | Llud | Loarn |
| Loarne | Lobais | Loban |
| Lobharan | Lobos | Logiore |
| Logotorix | Lomna | Lon |
| Lorcain | Lossio | Lousius |
| Lovernianus | Luachaid | Luachair |
| Lubrin | Lucco | Luchta |
| Luchtar | Luctacus | Luel |
| Luga | Lugaidh | Lughaid |
| Lugobelinus | Lugotorix | Lugovalos |
| Luibra | Luloecen | Lyfing |
| Lynch | Mac Da Tho | Macbeathach |
| Macbeathad | Macer | Machar |
| Machute | Macnia | Madach |
| Madan | Maddan | Madduin |
| Mador | Maeduin | Mael |
| Maelbeth | Maelchwn | Maeldun |
| Maelgan | Maelgwn | Maelinmhain |
| Maelmadoc | Maelmichael | Maelmuir |
| Maelmuire | Maelnibha | Maelochtair |
| Maelochtar | Maelrubai | Maelrubha |
| Maelsechlainn | Maelsechnaill | Maeltine |
| Maglocunus | Maglorix | Maieul |
| Mailchon | Maine | Mal |
| Malbride | Maldred | Malduin |
| Malliacus | Malone | Malpedar |
| Malpedur | Malride | Mamos |
| Mandubracius | Manducios | Mannig |
| Maol | Maon | Mar |
| Marbod | Maredoc | Marobodunus |
| Martacus | Maslorius | Mathgen |
| Matuacus | Matugenus | Maturus |
| Meardha | Meargach | Mechi |
| Medraut | Mellonus | Melmor |
| Menua | Merddyn | Mhaolain |
| Mhichil | Miach | Michan |
| Midac | Mide | Midhé |
| Midhir | Midhna | Midir |
| Mil | Miled | Milucra |
| Miochaoin | Miodac | Miorog |
| Mochrum | Mochta | Mochuda |
| Modhaarn | Modomnoc | Moengal |
| Molacus | Molaise | Molloy |
| Moluag | Monaid | Moncuxoma |
| Mongan | Morann | Morc |
| Morgund | Moriartak | Morias |
| Moricamulus | Morirex | Moritasgus |
| Morvidd | Motius | Muadhan |
| Muddan | Muirchú | Muiredach |
| Mungo | Murchadh | Mutaten |
| Muthill | Nadfraech | Naid |
| Nantosvelta | Nantua | Naoise |
| Narlos | Natanleod | Nathrach |
| Natorus | Neamh | Necalimes? |
| Nechtan | Nectovelius | Neidhe |
| Neit | Nemanach | Nemed |
| Nemglan | Nemhnain | Nemmonius |
| Nessa | Niadhnair | Nollaig |
| Nos | Novantico | Nuada |
| Nuadha | Nynia | Octrialach |
| Octruil | Odhrain | Odras |
| Ogma | Ogmios | Oilioll |
| Oisin | Olchobar | Ollovico |
| Oncus | Orbissa | Oren |
| Orgetorix | Orgillus | Orphir |
| Oscair | Oscar | Osgar |
| Owain | Paetus | Patendinus |
| Pesrut | Pisear | Potitus |
| Potomarus | Prasutagus | Pridfirth |
| Qodvoldeus | Raighne | Raigre |
| Rascua | Regol | Reoda |
| Reo-Derg | Rhiada | Riagall |
| Rian | Rianorix | Riata |
| Ribh | Ringan | Riommar |
| Rivius | Robartaig | Robhartach |
| Rogh | Roth | Rowan |
| Ruadan | Ruadhan | Rudrach |
| Rudraighe | Ruide | Ruith |
| Rurio | Saccius | Saenius |
| Saenu. | Saidhe | Sal |
| Salmhor | Salorch | Saltran |
| Samtan | Samthainn | Sangus |
| Saturio | Sawan | Sceolan |
| Scrocmagil | Scrocmail | Seaghan |
| Seanchab | Searigillus | Searix |
| Sechnaill | Secumos | Sedullus |
| Seghine | Segine | Segovax |
| Sellic | Semion | Senaculus |
| Sencha | Senias | Sennianus |
| Senorix | Senshenn | Senuacus |
| Sepenestus | Sera | Servan |
| Sesnan | Setanta | Setibogius |
| Sgoith-Gleigeil | Sharvan | Sholto |
| Sighi | Sigmal | Silinus |
| Sinell | Sinill | Sinnoch |
| Sinsar | Sital | Sitric |
| Skolawn | Sligech | Smertrius |
| Solais | Sollus | Sorio |
| Soulinus | Sreng | Stariat |
| Starn | Stavacus | Strathairn |
| Strowan | Struan | Suadnus? |
| Sualdam | Sualtam | Suanach |
| Suavis | Subhkillede | Subsio |
| Sucabus | Suibhne | Sulien |
| Summacus | Suriacus | Syagris |
| Tabarn | Tadg | Tah-Nu |
| Tailc | Taileach | Taistellach |
| Talchimen | Taliesin | Talorcan |
| Talore | Tamesubugus | Tammonius |
| Tarvos | Tasciovanus | Tasgetius |
| Tassach | Taximagulus | Tethra |
| Tetrecus | Tetricus | Teutomatus |
| Teyrnon | Tigernach | Tigernann |
| Tincomarus | Tincommius | Tocha |
| Togodumnus | Topa | Tor |
| Torannen | Toutius | Trad |
| Tradui | Trendhorn | Trenmor |
| Trenus | Treon | Triathmor |
| Trogain | Troghwen | Tuaigh |
| Tuan | Tuathal | Tuirbe |
| Tuireann | Tuis | Tullich |
| Turenn | Turlough | Tyrnon |
| Uaithnin | Uar | Uccus? |
| Uchtain | Ueda | Uepogenus |
| Uige | Uirolec | Uisneach |
| Ulchil | Un | Unthaus? |
| Urfai | Urgriu | Urias |
| Urien | Usna | Usnach |
| Vadrex | Vainche | Vallaunius |
| Vassedo | Vatiaucus | Veda |
| Vediacus | Vellocatus | Veluvius |
| Venutius | Vepogenus | Vercassivellaunus |
| Vercingetorix | Verctissa | Verecundus |
| Verica | Vernico | Viasudrus? |
| Viducus | Vindex | Vindomorucius |
| Vinnian | Virdomarus | Viroma |
| Virssucius | Volisus | Vortigern |
| Vortimax | Vortimer | Vortipor |
| Vortrix | Voteporix | Vran |
| Vron | Wannard | Weonard |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.