Welsh Names

Originally submitted to Corgi-L by Dixie Davis




b – as in English
c – as in English cake, never as in ace
ch – as in German Bach, never as in  church
d – as in English
dd – like the th in those
f – as in English of, represents the v sound in English
ff – as in off
g – always as in get, never as in George
ng – as in English sing, never as in danger
h – as in English
j – borrowed from English
l – as in English
ll – unique to Welsh. Put tongue in “l” position and try to hiss
m – as in English
p – as in English
ph – as in English at the beginning of a word only
r – trilled in Welsh
rh – aspirated r as in perhaps
s – as in sit, never as in nose
si – pronounced as sh in English
t – as in English
th – as in English think

Welsh has no k, x, or z. K is represented by c, x by cs; there is no z sound.



a – short as in pat, long as in father
e – short as in pet, long as in pale
i – short as in pit, long as in peat
o – short as in pot, long as in robe
u – short as in hint, long as in heed
w – short as in book, long as in groove
y – short as in sit, long as in seat

Open ended vowels in words of one syllable are long.
Words consisting of one vowel are short.

a, e, i, o, w are short before c, p, t, m, and nn or before a cluster of consonants.
a, e, i, o, w are long before g, b, d, ch, th, ff, s, f, dd
and may be either short or long before l, n, r.



Note: the Welsh word for “dog” is “ci” (pronounced key), and the plural is “cwn””.
The plural of Corgi is Corgwn.
The “w” is pronounced as the English “oo” in the word “book”.

Welsh/English English/Welsh Dictionary

n the list of names below:
(m) is a male name, (f) is a female name, (e) is a suitable name for either gender



– A – Adwen (f) an early saint
Aeddan (m) a 6th century soldier
Aelhaern, Elhaearn (m) a 7th century saint
Aelwen or Alwyn (f) ael=brow; gwen=white, blessed
Aeres (f) heiress
Aerfen (f) a Celtic river goddess
Aeron (e)
Aeronwen (f)
Aeronwy (f)
Aethwy (m)
Afan (m) a 6th cent. saint, name of many rivers
Afarwy (m) an early saint
Afloeg (m) a 5th cent. chief
Aidan (m) 6th cent. saint
Alafon (m) Bardic name of Owen Griffith Owen, 19th cent. poet
Alan (m) Celtic name, an early Welsh saint
Alaw (e) A river in Anglesey, by whose banks Branwen died
Alawn (m) one of the first 3 bards
Alban (m) Scotland; one of the first Christian martyrs in Britain
Alcwyn (m)
Aldrydd (m)
Aldwyn (m)
Aldyth (f)
Alec (m)
Aled (m) name of a river and a lake; also 15th cent. poet
Alun (m)
Alwen or Alwena (f)
Alwyn (m)
Alys or Alis f)
Amaethon (m)
Amlodd (m) King Arthur’s grandfather
Amlyn (m)
Amranwen (f) white eyelid
Annest (f) daughter of Angharad and Gruffudd ap Cynan, King of Gwynedd, 12th cent.
Annwyl, Anwyl (f) dear, beloved
Aranwen (f)
Arawn (m) King of the Underworld in Tales of the Mabinogi
Arddun (f) beautiful
Arfon (m); Arfonia (f) part of Gwynedd (in North Wales)
Ariannell (f) an early saint
Arianwen (f), Arianwyn (m) arian=silver gwen=white, blessed an early saint
Arnallt (m)
Arofan (m) an early poet
Artro (m) river in Gwynedd
Arthen (m) bear and river god, 9th cent. king of Ceredigion
Arthfael (m)
Arthog (m) like a bear, village in Merioneth
Arthur (m) stone bear, King Arthur
Arwel (m)
Arwen, Arwenna (f) fair, fine
Arwyn (m) fair, fine
Asaff (m) saint
Aurddolen (f) gold link
Awel, Awela (f) breeze
Awen (m), Awena (f) muse; wealth; name of a Pembrokeshire stream
Awstin (m) from Latin Augustus; 1st Bishop of Canterbury


– B – Baeddan (m)
Baglan (m)
Banwen (f) white peak, part of Neath Valley
Barri (m)
Barrwg (m)
Barwyn (m)
Bechan (f) small
Bedo (m)
Bdwyn (m)
Bedwyr (m)
Beinon (m)
Beli (m)
Ben (m)
Bendigeidfran (m)
Berddig (m)
Berian (m)
Berwyn (m) white peak, mound
Beryl (f)
Bet, Beti (f)
Betrys (f)
Betsan (f)
Bethan (f)
Beuno (m) a saint
Bledri (m) wolf ruler
Bledig (m) wolfish, wolf like
Bleddyn (m) small wolf
Blegywryd (m)
Bleiddian (m) wolf
Bleiddudd (m) wolf ruler
Blodeuwedd (f) blodau=flowers, gwedd=appearance, form
Blodyn (f) flower
Blodwen (f) white flowers
Bradach (m)
Bradwen (m)
Braint (f)
Bran (m)
Branwen (f) sister of Bendigeidfran in the Mabinogi; married the king of Ireland
Brengain (f)
Brennig (m) stream and lake in Dyfed (Pembrokeshire area)
Briafael (m) early saint
Briallen (f) primrose
Brian, Brieg, Briog (m)
Brochan (m)
Brochfael (m)
Bronmai (f) bron=hill, mai= May
Bronwen (f) white breast
Brwyno (m)
Brychan (m)
Bryn (m)
Brynach (m) saint of 5th/6th century who came to North Pembroke from Ireland, celebrated April 7
Brynmor (m) big hill
Brython (m)
Brythonig (f)
Brythonwen (f)
Buddug (f) Queen of the Iceni, a tribe that fought the Romans in the 1st century. She took poison rather than fall into the hands of the Romans


– C – Cadan (m) battle, also a stream in Dyfed
Cadell (m) Cadell ap Gwrtheyrn was the Lord of Powys in 429; Cadell ap Rhodri Fawr was the ruler of Ceredigion and the fathe of Hywel Dda, 907 AD; Cadell ap Gruffudd was the leader atainst the Normans in South Wales, 1175
Cadeyrn (m) battle ruler
Cadfael (m) battle prince
Cadfan (m) battle summit, early saint
Cadfarch (m) battle horse
Cadi (f)
Cadifor (m)
Cadmael (m)
Cadog (m)
Cador (m) Earl of Cornwall in Arthur’s tales
Cadrawd (m) battle course or battle host
Cadwal (m) battle wall
Cadwaladr (m) battle ruler, prince of Gwynedd in 664 AD
Cadwallon (m) battle ruler
Cadwgan (m)
Caerwyn (m) white fort
Caffo (m)
Cai (m) officer in Arthur’s court
Caleb (m)
Caledfryn (m) hard hill (a good name for an in-the-way Corgi)
Caradog, Cradog (m) 1st cent. leader of the Britons against the Romans
Carannog, Crannog (m) 6th cent. saint
Cari (f)
Carwen (f) blessed love
Carwyn (m) blessed love
Caryl, Carys (f) love
Casnodyn (m) poet
Caswallon (m) chief who fought against Caesar
Cati (f)
Catrin (f)
Catwg (m)
Cedewain (m)
Cedifor (m)
Cedrych (m)
Cedwyn (m)
Cefni (m)
Ceidio (m)
Ceidiog (m)
Ceidrych (m)
Ceindeg (f) fair, beautiful
Ceindrych (f) beautiful appearance
Ceinfryn (m) beautiful hill
Ceinlys (f) beautiful, fair
Ceinwen (f) beautiful white, blessed
Ceiriog (m)
Ceirios (f) cherries
Ceiro (m)
Celyn (m)
Celynen (m)
Cellan (m)
Cemlyn (m) bent lake
Cennard (m) head of a hill
Cennydd (m)
Cenwyn (m) white head, blessed head
Ceneu (m)
Ceredig (m)
Ceri (e)
Cerian (f)
Ceridwen (f)
Cerys (f)
Ceulanydd (m)
Cian (m)
Cigfa (f)
Cledwyn (m) hard white
Clydai, Clydog (m)
Clydri (m)
Cludwyn (m)
Coel (m)
Colwyn (m)
Collen (m)
Collwen (f)
Conwy (m)
Cranogwen (f)
Cristyn (f)
Crisiant (f) cousin of Owain Gwynedd and mother of Dafydd and Rhodri, 1150 AD
Crwys (m) cross
Cunedda (m) good lord, leader who came to Wales from Scotland
Curig (m)
Cybi (m)
Cyffin (f)
Cynan (m)
Cyndeyrn (m) chief lord
Cyndrig (m)
Cynfael (m) chief prince
Cynfarch (m) chief horse
Cynfor (m)
Cynlais, Cynlas (m)
Cynon (m)
Cynri, Cynrig (m)


– D – Dafi (m)
Dafydd (m) (David)
Dai (m) form of Dafydd, common name in South Wales
Daron (f) goddess of the oak
Dedwydd (e) happy
Degwel (m)
Deian (m)
Deiniol (m)
Deio (m) form of Dafydd
Del (f) pretty
Delwen (f) pretty white
Delwyn (m) pretty white
Delyth (f) pretty
Dewi (m) saint, Patron saint of Wales, celebrated March 1st
Dilwen (f) white honeycomb
Dion (m)
Dogfael (m) 6th cent saint, church in Pembrokeshire
Dogmael (m)
Dôn (f) Celtic goddess, connected with river Danube
Drudwen (f) dear, expensive white
Dulais (m) black ditch or stream (for the mudhole Corgis)
Dulas (m)
Dwyfor (e)
Dwynwen (f) daughter of patron saint of lovers
Dwyryd (e)
Dwysan (f) intense, profound
Dyfan (m)
Dyfed (m) region of Wales where Pembrokeshire is
Dyfi (e)
Dyfnallt (m)
Dyfri (m) water
Dyfrig (m) early saint from southwest Wales
Dyfynnog (m)
Dyfyr (e)
Dylan (m) son of Arianrhod. Sea god.
– E – Eben (m)
Ebrilla, Ebrillwen (f) April
Edern (m)
Edwart, Edwyn (m)
Egryn (m)
Eidin (m)
Eiddig (m)
Eiddwen (f)
Eifion (m), Eifiona (f)
Eigr (f) mother of King Arthur
Eigra (f)
Eilian (f)
Eilir (e) butterfly
Eilwen (f)
Eira (f) snow
Eirawen (f) snow white
Eirian (e) splendid, bright
Eirianedd (f) bright
Eirianell(f) bright
Eirianwen(f) bright white
Eirig (m) fine, splendid, warlike
Eiriol (f) snowdrop, bright
Eirlys (f) snowdrop
Eirug (m)
Eirwen (m) snow white
Eiry (f) snow
Eirys (f) iris
Elaeth (m) 6th cent king
Elain (f)
Elan (f)
Eldrydd (e)
Elen (f)
Elenid (f) mountainous area in Dyfed
Eleri (f)
Elfed (m)
Elfodd (m) 9th cent. bishop
Elfryn (m)
Elfyn (m)
Elffin (m)
Elgan (m)
Elian (m)
Elidir (m)
Elin, Elinor (f)
Elis (m)
Elisedd (m)
Eliseg (m)
Eluned (f)
Elwy (m)
Elystan (m) noble stone
Elysteg (f)
Elli (m)
Elliw (f)
Emlyn (m)
Emrys (m)
Emyr (m)
Endaf (m)
Endewyn (f)
Enfail (f)
Enfys (f)
Enid (f) wife of one of Arthur’s knights
Enlli (m)
Erin (f) Ireland
Erthig (m)
Eryl (e)
Eswen (f) strength
Ethni (f)
Eudaf (m)
Euddogwy (m)
Eulfwyn (f) gentle
Eurfron (f) gold breast
Eurig (m)
Eurion(m) gold
Eruiona (f) gold
Eurliw (e) gold color
Eurof (m)
Eurwen (f) gold white
Eurly (f) bright gold
Eurys (f) gold


– F – Fychan (m) small
Ffagan (m) early saint
Ffinian (m) saint
Ffion, Ffiona (f)
Fflamddwyn (m)
Fflur (f) flowers
Ffowc (m) Sound this one out. Sounds a lot like an English 4-letter word not commonly used in polite company. Could be a really neat or a really lousy name for a dog, depending on your viewpoint.
Ffriad (f) patron saint of poetry
Ffranc (m)
Ffrancon (m)


– G – Gaenor (f)
Gareth (m)
Garmon (m)
Garth (m)
Garwen (f)
Garwyn (m) white chin
Gawain (m) Arthurian hero (Sir Gawain and the Green Knight)
Geinor (f)
Geraint (m)
Gerwyn (m) rough white
Gethin (m)
Gildas (m)
Gilfaethwy (m)
Glain (f) jewel
Glanffrwd (m) clean stream or stream bank
Glanmor (m)
Glasnant (m)
Glenda (f)
Glenwen (f) clean white
Glenys (f) clean, fair, holy
Glesig (f)
Glesni (f)
Glwys (m) fair, beautiful, holy
Glyn (m) vale
Glyndwr (m) vale of water
Glynis (f)
Glynwen (f) white vale
Glynys (f)
Goewyn (f) maid of Math in the Mabinogi
Gofannon (m)
Goleuddydd (f)
Gomer (m)
Griffri (m)
Grigor (m)
Gruffudd (m) strong grip, lord of strong rule Gruffudd ap Cynan was 11th cent. king of Gwynedd, there were two Gruffudd ap Llwelyn’s–one was 11th cent. king of Gwynedd, and Powys and eventually King of Wales, the other lived in the 13th cent. and was Prince of North Wales, son of Llywelyn the Great–the last true Prince of Wales. Gruffudd ap Rhys was prince of south west Wales (Pembrokeshire area) in the early 13th century.
Gruffydd (m) form of Gruffudd
Grugwyn (m) white heather
Guto (m)
Gutun (m)
Gwaednerth (m) strong blood
Gwalchmai (m) May falcon
Gwalia (f)
Gwallog (m)
Gwallter (m)
Gwarthen (m)
Gwarwen (f) white nape
Gwaun (m)
Gwawl (e) the man Rhiannon was forced to marry against her will
Gwawr (f)
Gwawrwen (f) white dawn
Gwawrddydd (f) dawn of day
Gwen (f) white, fair, blessed, holy
Gwên (m)
Gwenallt (m)
Gwenda (f) good white
Gwendolen (f) white link
Gwendraeth (f)
Gwenddydd (f)white day
Gwener (f)
Gwenfair (f)
Gwenfor (f)
Gwenfrewi (f)
Gwenfron (f) white breast
Gwenffrwd (f)
Gwenhwyfar (f) (Guinivere) (King Arthur’s wife)
Gwenifer (f)
Gwenith (f)
Gwenlyn (e)
Gwenlliant (f)
Gwenllian (f)
Gwenlliw (f)
Gwennan (f) blessed
Gwennant (f)
Gwenno (f)
Gwennol (f) swallow
Gwenog (f)
Gwenogfryn (m)
Gwent (e)
Gwenwynwyn (m) Lord of Powys, grandson of Owain Gwynedd, 13th cent.
Gwern (m)
Gwili (m)
Gwilym (m) (close to William)
Gwion (m)
Gwladys (f)
Gwlithen (f)
Gwrgan (m)
Gwyn (m) white, blessed, fair
Gwynallt (m) white hill
Gwynant (m) white stream
Gwyndaf (m) Celtic saint
Gwynedd (m), Gwyneth (f)
Gwynfi (f) (Gwen-vi)
Gwynfor (m) great white
Gwynfryn (m) white hill
Gwynlais (m)


– H – Hafina (f)
Hafren (f) Celtic river goddess
Hafwen (f) fair summer
Harri (m)
Hawen (f)
Hawys (f)
Hedydd (f) skylark
Hedd (m) peace
Heddwyn (m) blessed peace
Hefeydd (m) father of Rhiannon in the Mabinogi
Hefin (m) summery
Heilin (e) generous
Heini (e) sprightly, active
Heinin (m)
Heledd (f)
Hennin (m)
Hergest (m)
Heulwen (f) sunshine
Heulyn(e) ray of sun
Hinin (m)
Hirael, Hiral (e) long brow
Hiraethog (m)
Hirwen (f) long white
Hopcyn (m) (Hopkin)
Hunydd (f)
Huw (m) (Hugh)
Huwcyn (m)
Hwfa (m)
Hwmffre (m) (Humphrey)
Hywel (m) eminent, prominent
Hwyela (f)
Hywyn (m)


– I – Iago (m) Jacob or James Iago ab Idwal, king of Gwynedd, 1039 AD
Ianto (m)
Idloes (m)
Idnerth (m) strong lord
Idris (m) Idris Gawr, magician and astronomer, 632 AD
Idwal (m) lord, ruler Idwal Foel, king of Gwynedd, 942
Idwallon (m)
Iddawg (m)
Iddig (m) one of 7 princes left to defend Wales when Bendigeidfran & soldiers left for Ireland, in the Mabinogi
Iemwnt (m)
Iestyn (m) (like Justin)
Ieuaf (m) Co ruler of Gwynedd, killed by his brother Iago 973 AD
Ieuan (m) Welsh version of John
Ifan (m) (Ivan or Evan)
Ifanwy (e)
Ifor (m)
Ilan (m)
Ilar (f) cheerful
Ilid (f)
Illtud (m) Saint from Brittany who invented a plow.
Indeg (f) One of the maids of Arthur’s court
Ioan (m) John
Iola (f)
Iolo (m)
Iona (f) Island off Scotland, short for Ionawr (January)
Ionor, Ionawr (f) January
Ionwen (f) white, blessed lord/lady
Iorath (m)
Iorwen (f)
Iorwerth (m) Old Welsh name, “Edward” in English
Ioseff (m)
Irfon (m) River near Builth, Llywelyn ap Gruffudd was killed on its banks, 1282 AD
Irwen (f) green and white
Irwyn (m) green and white
Isfael (m)
Isfoel (m)
Islwyn (m)
Ithel (m)generous lord
Iwan (m)


– J – Jac (m)
Joseff (m)


– L – Lawnslod (m)
Lefi (m)
Leri (f)
Lewsyn (m)
Lewys (m) (Lewis)
Lili (f)
Lilwen (f) white lily
Llawdden (m)
Llawen (m) joyful
Llefelys (m)
Lleision (m)
Llelo (m)
Lleu (m) light, fair one, son of Arianrhod in the Mabinogi
Lleucu (f) light
Lleufer (m) light, spendor
Llew (m) lion
Lliedi (m)
Llifon (m)
Llinos (f)
Llio (f)
Llion (m)
Lluan (f)
Lludd (m)
Llunwerth (m)
Llwyd, Lloyd (m)
Llwyfo (m)
Llyfni (m)
Llyr (m) (Lear) Father of Branwen and Bendigeidfran in the Mabinogi
Llywarch (m)
Llywel (m)
Llywelyn (m)
Llywela (f)
Lona (f)
Lora (f)
Lowri (f)
Luc (m)
Luned (f)
Lydia (f)
Lyn (e)
Lyneth (f)
Lynfa (f)
Lynwen (f) white vale


– M – Mabli (f)
Mabon (m)
Macsen (m)
Machno (m)
Machreth (m)
Madlen (f)
Madog (m) fortunate
Madrun (e)
Madryn (e)
Mael (m) prince
Maelgad (m) battle prince
Maelgwn, Maelgwyn (m) defender, prince of battle
Maelog (m)
Maelogan (m)
Maelon (m)
Maelona (f)
Maelor (m)
Maelorwen (f)
Maelrys (m) rushing prince
Maelwas (m) youthful prince, name of man who took Guinivere in Arthurian tale
Magdalen (f)
Mai (f) May
Mair (f) a wished-for child
Mairwen (f) a wished for, blessed child
Maldwyn (m)
Malen (f)
Mali (f) (Molly)
Mallt (f) strong in battle
Manawydan (m) son of Llyr, brother of Bendigeidfran, in the Mabinogi
Manod (e) name of a mountain
Manon (f) queen, paragon of beauty
Mararad (f)
Marared (f) daughter of Gruffudd ap Cynan and Angharad
Marc (m)
Marchell (f)
Marchudd (m) horse lord
Mared (f)
Maredudd (m) (Meredith) great lord
Marged (f) pearl
Margiad (f)
Margred (f)
Mari (f)
Marian (f)
Marlais (m) big stream
Martyn (m)
Math (m) half god, Math fab Mathonwy, Lord of Gwynedd, the magician who created Blodeuwedd
Mathew (m)
Matholwch (m) king of Ireland who married Branwen in the Mabinogi
Mathonwy (m)
Mechain (m)
Medeni (f) born in September
Medi (f) September
Medrawd (m) one’s own host One of Arthur’s knights who died in the battle of Camlan
Medrod (m) version of above
Medwen (f)
Medwyn (m)
Mefin (f) June
Meg (f)
Megan (f)
Meic (m)
Meical (m) (Michael)
Meidrym (m)
Meilir (m)
Meilyg (m)
Meilyr (m)
Meilys (e)
Meinir (f) maiden
Meinwen (f) slender white maiden
Meirchion (m) horses
Meirian (f)
Meirion (m) dairyman
Meiriona (f) dairymaid
Meirionwen (f) white dairy maid
Meirwen (f) blessed May
Melangell (f) Daughter of Tudwal ap Ceredig. Patron saint of animals
Merleri (f)
Melfyn (m)
Men (f)
Menai (f)
Menna (f)
Meredudd (m) (Meredith)
Mererid (f) precious stone
Merfyn (m) (Mervin) Merfyn Frych, 844 AD–King of Gwynedd, father of Rhodri Fawr
Meriel (f) from Irish Muirgheal, bright sea
Merierid (f)
Meryl (f)
Meduwen (f) blessed hermit
Meurig (m)
Meuryn (m)
Miall (m)
Mihangel (m)
Modlen (f)
Modron (f) Celtic goddess, the great mother
Moelwyn (m) white hill
Moelwen (f) white hill
Mona (f) noble; also referring to Anglesey
Mordeyrn (m) great ruler
Moren (m)
Morfael (m) great prince
Morfran (m) (Mor-vran) great crow, also son of Tegid, one of Arthur’s knights
Morfudd (f)
Morgan (m) bright sea or great circle
Morgant (m)
Morien (m) born great
Morlais (m) great voice (?)
Morus (m)
Morwen (f) white maid or great sea
Morwenna (f)
Mostyn (m)
Mwynen (f) gentle
Mwynwen (f) gentle white
Myfanwy (f) my fine, rare one
Myfi (f)
Myfina (f)
Myfyr (m) muse
Mymbyr (m)
Mynyddog (m) mountain
Myrddin (m) (Merthin, Merlin) Myrddin Emrys (Merlin) magician in King Arthur’s court


– N – Nantlais (m)
Nefydd (e) (Nevith)
Nefyn(e) (Nevin)
Neifion (m)
Neirin (m)
Nerys (f)
Nest (f) Henry 1st mistress
Nesta (f)
Nia (f)
Niclas (m)
Nidian (m) a saint
Ninian (m) a saint
Nisien (m) son of Euroswydd, half brother of Bendigeidfran in the Mabinogi
Non (f) 5th cent. saint, daughter of Cynyr, mother of Dewi
Nona (f)
Nonna (f)
Nora (f)
Nudd (m)


– O – Ogwen (m)
Olwen (e) trace of white
Onfael (m)
Onllwyn (m) ash grove
Orchwy (m)
Orig (m)
Orwig (m)
Osfael (m) son of Cundda
Osian (m) Irish poet
Oswallt (m) power of a god, god-like power
Owain (m) well-born
Owen (m)


– P – Padarn (m) fatherly
Padrig (m) nobleman
Pasgen (m)
Pawl (m) (Paul)
Peblig (m)
Pedr (m) (Peter)
Pedran (m)
Pennar (m)
Pennant (m) head of a stream
Penri (m) son of Henri
Penwyn (m) white head
Peredur (m)
Peris (m)
Peryf (m)
Petra (f) stone
Petran (m)
Phylip (m)
Plennydd (m)
Powel (m)
Powys (m) old kingdom and county
Prosser (m)
Pryderi (m) care, concern son of Pwyll and Rhiannon in the Mabinogi
Prydwen (f) white complexion, name of Arthur’s ship
Prydwyn (m) white complexion
Prydderch (m)
Prys (m)
Prysor (m)
Prysorwen (f)
Pwyll (m) discretion, steadiness Lord of Dyfed, husband of Rhiannon
Pyrs (m)
– R – Rainillt (f) daughter of Gruffudd ap Cynan and Angharad
Rebeca (f)
Rhagnell (f) daughter of King Olaf of Dublin, mother of Gruffudd ap Cynan
Rhain (m)
Rheged (m)
Rheinallt (m)
Rhiain (f) maiden
Rhian (f)
Rhianedd (f)
Rhiangar (f)
Rhiannon (f) wife of Pwyll, mother of Pryderi in the Mabinogi Horse goddess
Rhianwen (f) white maid
Rhianydd (f)
Rhirid (m)
Rhisiart (m) hard ruler
Rhiryd (m)
Rhiwallon (m)
Rhobat (m)
Rhobet (m)
Rhodri (m) Rhodri Fawr, king of Gwynedd and southwest Wales, son of Merfyn and Nest
Rhona (f)
Rhonabwy (m)
Rhonwen (f)
Rhosier (m)
Rhoslyn (e) rose valley
Rhufon (m) son of Cunedda
Rhun (m) grand
Rhunedd (f)
Rhydian (m)
Rhydwen (m)
Rhydderch (m) exalted ruler
Rhygyfrach (m)
Rhys (m) (Rees) ardour Rhys ap Tewdwr king of southwest Wales, 1093 Rhys ap Gruffudd lord of southwest Wales, 1132-97
Rhystud (m)
Robat (m)
Robet (m)
Robyn (m)
Rodric (m)
Rolant (m)
Ronw (m)
Ronwen (f)


– S – Sadwrn (m) early saint
Samlet (m)
Samson (m)
Sanant (f) mother of Elisedd, king of Powys, and wife of Maelgwn Gwynedd
Sannan (m)
Sara (f)
Saran (f)
Sawel (m) Irish saint
Sefnyn (m) 14th century poet from Anglesey
Seimon (m)
Seirian (m)
Seiriol (m) founder of Penmon church on Anglesey in the 6th cent.
Seisyll (m)
Seisyllt (m)
Seithennyn (m)
Selwyn (m) white ardour
Selyf (m)
Seren (e)
Seth (f)
Sian (f) feminine of Sion, (English equivl.=Jane) (has a little tent over the ‘a’, which I can’t get my computer to do.)
Siani (f)
Siarl (m)
Sieffre (m)
Siencyn (m)
Silyn (m)
Simwnt (m)
Sion (m) form of Ioan (English equivalent=John)
Sioned (f) diminuitive of Sian
Sioni (m)
Sionyn (m)
Sior (m) (tent over the ‘o’)
Siriol (f) cheerful
Siwan (f)
Steffan (m)
Sulien (m) sun born, Celtic sun god
Sulwen (f) sun, Sunday, white
Sulwyn (m)
– T – Talfan (m) tall beacon
Talfryn (m) tall hill
Talhaearn (m)
Taliesin (m) radiant brow
Talog (m)
Tanad (m)
Tanat (m)
Tangno (m)
Tangwen (f) white peace
Tangwyn (m)
Tangwystl (f)
Tanwen (f)
Tathal (m)
Tathan (m)
Tawe (m)
Tecwyn (m) early saint
Tegai (e) early saint
Tegan (f) early saint
Tegau (f)
Tegeirian (f)
Tegfan (m)
Tegfedd (f)
Tegfryn (m)
Tegid (m)
Tegla (m)
Tegryn (m)
Tegwedd (f) fair appearance
Tegwel (m)
Tegwyn (m) fair, white
Tegwen (f) fair, white
Teiddwen (f)
Teifi (e)
Teifion (m)
Teifryn (m)
Teilo (m) 6th cent. saint
Telerch (m)
Teleri (f)
Telor (m)
Terfel (m)
Terwyn (m) bright white
Tesni (f)
Tewdrig (m)
Tewdwr (m)
Teyrnon (m) The great king in Celtic religion
Timotheus (m)
Tirion (f) gentle, happy
Tomi (m)
Tomos (m)
Trahaearn (m)
Trebor (m)
Trefor (m)
Tryfan (m)
Trystan (m)
Tudfor (m)
Tudful (f)
Tudfwlch (m)
Tudno (m)
Tudri (m)
Tudrig (m)
Tudur (m) (I’ve also seen it spelled as Twdwr, Tudwr)
Tudwal (m)
Tweli (m)
Twm (m) diminutive of Tomos
Twynog (m)
Tybie (f)
Tybion (m)
Tydecho (m) 6th century Celtic saint
Tyfriog (m)
Tysilio (m) 7th century saint
Tysul (m)
Tywi (m)
Tywyn (m)
– U – Undeg (f) fair one
Ungoed (m)
Urien (m)
– W – Waldo (m) weald=power, theof=thief
Watcyn (m), also Gwatcyn
Wedros (m)
Wena (f)
Wil (m)
Wiliam (m)
Wmffre (m)
Wyn (m)
Wyre (m)
– Y – Ynyr (m)
Ysfael (m) son of Cunedda
Ystwyth (m)

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