Ab Owen Aberthol Adda Addolgar Adwr Aedd Alawn Albanwr Alwin Alwyn Amathaon Amerawdwr Amhar Amlawdd Amren Amynedd Amyneddgar Anarawd Andras Andreas Anfri Angawdd Anghrist Angor Anwar Anwas Anwell Anwil Anwill Anwir Anwyl Anwyll Anynnawg Anyon Ap Evan Ap Harry Ap Howell Ap Maddock Ap Owen Ap Rhys Ap Roderick Ardwyad Arglwydd Arian Arthur Arthwr Arval Arvel Arvil Avaon Awstin Badan Badden Baddon Baeddan Banys Barris Beda Bedwyr Bedyw Beli Mawr Bendigeidfran Berth Berwyn Bevan Beven Bevin Bevyn Blathaon Bleidd Bowen Brac Brad Bradwen Bradwr Braen Bran Brathach Brian Broderick Brynn Brys Bwlch Clyde Clywd Cadarn Cadawg Caddoc Caddock Cade Cadel Cadell Cadellin Caden Cadman Cadmon Cadwallen Cadwgawn Cadwr Cadwy Cadyryeith Caer Llion Caerau Cai Cain Calcas Caledvwlch Camedyr Cant Caradawg Caradoc Caradog Carey Carne Cary Cas Casnar Cass Cassian Cassidy Casswallawn Caswallon Cawrdav Cedric Cedrick Cedrik Ceithin Clud Clust Cnychwr Coch Coed Conway Conyn Craddock Cradoe Crist Cubert Culhwch Culvanawd Custenhin Cymry Cynbal Cynbel Cystennin Dafydd Dai Dalldav Daned Daryn Davies Davyn Delwin Delwyn Deverell Deverril Dewey Dewi Digon Dilan Dillie Dillon Dillus Dirrnyg Donne Dover Drem Dremidydd Drew Druce Drudwas Druson Drych Drystan Dryw Drywsone Duach Dylan Dyllan Dyllon Dyvynarth Dyvyr Dywel Earwin Earwine Edern Edmyg Eiddoel Eiladar Einian Einion Elphin Emlyn Emhyr Emlyn Emrys Erbin Ercwlff Ergyryad Eriyn Ermid Erwin Erwyn Eryi Eudav Eus Evan Evann Evin Evon Evrawg Evyn Fane Fercos Fferyll Fflergant Fflewdwr Ffodor Ffowc Fnam Fychan Fyrsil Glyn Glynn Garanhon Garanwyn Gareth Garnoc Garnock Garreth Garwyli Gavan Gavin Gavyn Geraint Gilbert Gilvaethwy Gleis Glenn Glew Glinyeu Gobrwy Goreu Gormant Gorsedd Govan Govannon Gower Gowyr Granwen Greid Griff Griffen Griffeth Griffin Griffith Grigor Gruddyeu Gruffen Gruffin Gruffudd Gruffyn Grufydd Gryphin Gryphon Gusg Gwakhmai Gwalchmei Gwalhaved Gwallawg Gwallter Gwarthegydd Gwawl Gwayne Gweir Gwendelyn Gwenwynwyn Gwern Gwernach Gwevyl Gwilenhin Gwilym Gwitart Gwrddywal Gwres Gwyddawg Gwydre Gwydyon Gwyn Gwyngad Gwynn Gwyr Gwystyl Gwythyr Heilyn Hen Beddestyr Hen Was Hen Wyneb Howel Howell Hu Huabwy Huarwar Hueil Huey Hugh Hughie Huw Hydd Iago Iau Iddawg Iddig Ioan Iona Iorwerth Iustig Iwan Jesstin Jestin Jeston Kai Kay Kei Keith Kelli Kelyn Ken Kendric Kendrick Kendrik Kendrix Kenn Kenrick Kenrik Kent Kenyon Kevyn Kian Kilydd Kim Kimball Kimble Kyledyr Kynan KyndMryn Kynedyr Kynlas Kynon Kynwal Kynwyl Kywrkh Lew Lewellyn Llacheu Llara Llassar Llawr Llevelys Llewellyn Llewellyn Llewelyn Lloyd Lludd Llundein Llwybyr Llwyd Llwydeu Llwyr Llyn Llyr Llyweilun Luc Lug Mabon Mabsant Madawc Madawg Maddoc Maddock Maddockson Maddocson Maddog Maddox Madoc Madog Mael Maelgwyn Maelwys Mallolwch Manawydan March Mathias Mawrth Medyr Meilyg Menw Mercher Meredith Meredydd Meridith Merlin Merlyn Merrick Mervin Mervyn Merwyn Meurig Mihangel Mil Moesen Morcan Morcar Mordwywr Moren Morgan Morgannwg Morgen Morthwyl Morvran Myrddin Myrick Naw Neb Neifion Nerth Nerthach Neued Newlyn Newlin Newyddllyn Nissyen Nynnyaw Odgar Ofydd Ol Olwydd Ondyaw Oswallt Owain Owein Owen Owin Owyn Owynn Padrig Pany Pedr Peissawg Pembroke Penllyn Penn Penvro Peredur Perry Plys Powell Preece Price Pryderi Prydwen Puw Pwyll Pyrs Reece Rees Reese Ren Renfrew Rheged Rhett Rhinffrew Rhioganedd Rhisiart Rhobert Rhun Rhuvawn Rhyawdd Rhychdir Rhyd Rhys Rice Romney Rumenea Ryn Sadwm Saer Saith Sayer Sayers Sayre Sayres Seith Sel Selyf Selyv Siarl Siawn Siencyn Sinnoch Sion Sior Steffan Steffen Steffon Sugyn Sulyen Syvwkh Tad Tadd Taffy Taliesin Talyessin Taren Tarran Tarrant Taryn Teithi Teregud Tewdwr Timotheus Tomos Trahaym Trahern Tramaine Traveon Travion Tremain Tremaine Tremayne Tremen Trent Trevan Trevelian Trevelyan Treven Trevian Trevion Trevls Trevonn Trevor Trevyn Tringad Tristan Tristram Tristyn Trynt Trystan Tudor Twm Twrgadarn Tywysog Uchdryd Vaddon Vaughan Vaughn Vonn Vontell Vychan Wadu Waljan Winn Wmffre Wren Wyn Wynn Yale Ysberin Ysgawyn