| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Cerydwin | From Welsh elements often interpreted as 'poetry/poet(ess)' + 'fair/blessed' - commonly taken to mean 'blessed poetess' or 'fair poet'. | Welsh | Girl | — | |
| Cerydwyn | Likely 'fair/blessed woman' - from Welsh elements suggesting 'beloved/poet' + 'white/fair, blessed'. | Welsh | Girl | — | |
| Cerydwynn | Likely 'fair/blessed beloved' - formed from Welsh elements related to love/poetry (cerid/ceri) and gwyn/gwynn ('white, fair, blessed'). | Welsh | Girl | — | |
| Cerydwynne | Likely from elements meaning "beloved" + "fair/blessed" - roughly "beloved and fair". | Welsh | Girl | — | |
| Ceryse | Possibly 'love' (from Welsh Cerys) or 'cherry' (from French cerise); uncertain | French, Welsh | Girl | — | |
| Ceynwyn | 'Fair/blessed beauty' (approximate) | Welsh | Boy | — | |
| Chetwyn | Probably 'Chet + wyn' - roughly 'Chet's friend' or 'fair/white Chet' | Welsh | Boy | — | |
| Chryslynne | Golden lake (from Greek 'chrysos' = gold + Lynne = lake/stream). | English, Welsh | Girl | — | |
| Cledwin | Likely 'fair' or 'blessed' (from Welsh element -wyn); exact first-element origin is uncertain. | Welsh | Boy | — | |
| Cledwyn | Likely from Welsh elements cled- (uncertain) + -wyn 'white, fair, blessed'; roughly 'fair/blessed Cled-' (first element uncertain, possibly related to cledd 'sword'). | Welsh | Boy | — | |
| Clud | Likely derived from Latin Claudius meaning "lame"; alternatively may reflect a Welsh element meaning "enclosure/barrier" - exact origin uncertain. | English, Latin, Welsh | Boy | — | |
| Clydai | Likely derived from Welsh 'clyd' meaning 'cozy, sheltered, warm'. | Welsh | Girl | — | |
| Cnychwr | From Welsh root cnych- + agent suffix -wr: 'one who nips/pinches; nibbler' (literally 'biter/pincher'). | Welsh | Boy | — | |
| Coch | Red; red-haired | Welsh | Unisex | — | |
| Coed | Wood, forest; trees | Welsh | Unisex | — | |
| Coel | Belief, trust | Welsh | Boy | — | |
| Cohwin | A modern invented name; loosely associated with friendship/strength or roots meaning ‘raven’ or ‘from the hollow’ depending on derivation | Welsh | Unisex | — | |
| Coile | Unclear; possibly linked to Gaelic caol ('narrow, slender') or to the old personal name Coel; meaning not well established | Welsh | Boy | — | |
| Colbran | From a surname meaning roughly 'dark/coal' + 'brown' or 'raven' - i.e., 'dark/raven-like' or 'coal-brown' | English, Welsh | Boy | — | |
| Colwin | Likely a variant of Colin (from Gaelic Cailean 'young one' or as a diminutive of Nicholas 'people's victory') or of Welsh Colwyn (from Welsh elements possibly meaning 'hazel' + 'white/blessed'). | English, Scottish Gaelic, Welsh | Boy | — | |
| Colwyne | Likely 'coal/black friend' or 'dark-haired friend' (from Old English col 'coal/dark' + wine 'friend'); also associated with the Welsh place-name Colwyn | English, Welsh | Boy | — | |
| Colwynn | Likely 'fair' or 'blessed' - related to Welsh element gwyn meaning 'white, fair, blessed'. | Welsh | Boy | — | |
| Colwynne | Likely from Welsh elements coll (hazel) + gwyn (fair/white/blessed): "fair/white hazel" or "fair hazel/wood". | Welsh | Boy | — | |
| Colywnn | Likely from Welsh coll ('hazel') + gwyn ('white, fair') - essentially 'fair/hazel' or a name tied to the place Colwyn (as in Colwyn Bay). | Welsh | Boy | — | |
| Conwy | From the river/settlement name; likely 'chief' or 'principal river' (etymology uncertain) | Welsh | Unisex | — | |
| Cordela | Likely a variant of Cordelia - often interpreted as "heart" or "daughter/jewel of the sea" | English, Welsh | Girl | — | |
| Cordie | Little heart / heart | Welsh | Girl | — | |
| Cordulia | Likely 'heart' or 'little heart' (derivative of cor), meaning uncertain | Welsh | Girl | — | |
| Corwyne | Probably "heart's friend" or "friend of the heart" (modern variant of Corwin/Corwyn) | Welsh | Boy | — | |
| Corwynne | A modern blended name generally interpreted as 'fair/blessed Cor' (loosely 'fair or blessed heart'); may be related in form to Corwin or Corvin depending on root assumptions. | English, Welsh | Unisex | — | |
| Craddoc | Beloved, amiable | Welsh | Boy | — | |
| Craddoch | Beloved, amiable (from Welsh Caradog) | Welsh | Boy | — | |
| Cradoc | Beloved, dear | Welsh | Boy | — | |
| Cradoch | Beloved, amiable (from the Brythonic root for 'love') | Welsh | Boy | — | |
| Cradock | Beloved, amiable | Welsh | Boy | — | |
| Creiddylad | Name of a heroine in Welsh mythology; etymology uncertain - often interpreted as 'beloved' or 'fair lady'. | Welsh | Girl | — | |
| Creiddyladl | Likely "jewel" or "heart's delight; beloved" (etymology uncertain) | Welsh | Girl | — | |
| Crwys | Obscure; associated with an early Welsh saint or place-name; exact meaning uncertain | Welsh | Boy | — | |
| Culhwch | Probably from Welsh cul 'narrow' + hwch 'sow' - roughly 'narrow sow' or a nickname related to a sow; exact etymology uncertain. | Welsh | Boy | — | |
| Custennin | Steadfast, constant | Welsh | Boy | — | |
| Cydd | Together; joined; unity | Welsh | Unisex | — | |
| Cymreiges | Welshwoman; of Wales | Welsh | Girl | — | |
| Cymry | The Welsh (the Welsh people); 'Welsh' | Welsh | Boy | — | |
| Cynan | Chief; leader; prince | Welsh | Boy | — | |
| Cynfarch | Likely "chief horse" or "horse-lord" (from Welsh cyn 'chief/first' + march 'horse') | Welsh | Boy | — | |
| Cynin | Little chief; young leader | Welsh | Boy | — | |
| Cynne | Possibly from Welsh element 'cyn' meaning 'chief, first', or a diminutive of Cynthia meaning 'from Mount Cynthus'. | English, Welsh | Girl | — | |
| Cynon | Traditional Welsh name; possibly derived from the element cyn- meaning 'chief' or 'first' (exact origin uncertain). | Welsh | Boy | — | |
| Cynyn | Diminutive of the Welsh element 'cyn' (chief/leader) - 'little chief' or 'young leader'. | Welsh | Boy | — | |
| Cynyr | Old Welsh; meaning uncertain - possibly from element 'cyn' meaning 'chief/first' or from an older Celtic element related to 'hound/hero'. | Welsh | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
