| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Calon | Heart | Welsh | Unisex | — | |
| Camlann | Uncertain; likely from Old Welsh 'cam' (crooked) + 'lann' (enclosure/land/church) - roughly 'crooked enclosure' or 'crooked bank'. | Welsh | Boy | — | |
| Capel | Related to a chapel; originally a locational name meaning 'dweller by the chapel' | English, French, Welsh | Boy | — | |
| Carad | Beloved, dear | Welsh | Boy | — | |
| Caradawc | Beloved, amiable | Welsh | Boy | — | |
| Caradawg | Beloved | Welsh | Boy | — | |
| Caradoc | Beloved, amiable | Welsh | Boy | — | |
| Caradog | Beloved, amiable | Welsh | Boy | — | |
| Caradwg | Beloved | Welsh | Boy | — | |
| Caran | Beloved humble | English, Sanskrit, Welsh | Unisex | — | |
| Cares | Likely 'beloved' if derived from Welsh Carys; alternatively a place-name with no clear literal meaning if from the Cares River. | Spanish, Welsh | Girl | — | |
| Carew | Dweller at the fort; often interpreted as 'fort on a slope' (from Welsh caer + rhiw) | Welsh | Boy | — | |
| Cariad | Beloved; darling | Welsh | Unisex | — | |
| Carryll | Derived from Charles/Karl meaning "free man" (by extension, feminine form of Charles); sometimes associated with "song" via Carol | English, Welsh | Girl | — | |
| Carwen | Fair or blessed love (from Welsh elements car- 'love' + -wen 'fair/blessed') | Welsh | Girl | — | |
| Carwynn | 'Blessed love' or 'beloved and blessed' | Welsh | Boy | — | |
| Carywn | Blessed love / beloved (from Welsh car 'love' + wyn 'white/blessed') | Welsh | Boy | — | |
| Casswallawn | Likely 'chief' or 'prince' / 'leader' (associated with the Brittonic element *-vellaunos meaning 'chief' or 'commanding one') | Welsh | Boy | — | |
| Caswallan | Likely "battle leader" or "war chief" (from elements interpreted as 'battle' and 'leader') | Welsh | Boy | — | |
| Caswallon | Likely 'battle leader' or 'warlike leader' (historically a Welsh royal name, related to Cadwallon/Cadwaladr) | Welsh | Boy | — | |
| Cathell | Probably 'battle-mighty' if derived from Irish Cathal; as a surname/English form the meaning is less certain | Welsh | Boy | — | |
| Cathwyg | Likely from Welsh cath 'battle' + an uncertain second element; broadly 'battle-related' (e.g., 'battle-warrior' or 'battle-famed'). | Welsh | Boy | — | |
| Cati | Pure | Welsh | Girl | — | |
| Catigern | Battle-prince | Welsh | Boy | — | |
| Catrin | Pure | Welsh | Girl | — | |
| Caw | Uncertain - linked to a legendary Welsh name and associated with the sound a crow makes ('caw') | Welsh | Boy | — | |
| Cay | Varies by root: as a diminutive of Katherine, 'pure'; from Welsh Cei, linked to the Arthurian hero (etymology uncertain); as a variant of Kai, 'sea' in Hawaiian. | English, Welsh | Unisex | — | |
| Caydfan | Likely from Welsh cad 'battle' + fan/ban; commonly interpreted as 'battle leader' or 'battle beacon'. | Welsh | Boy | — | |
| Cedrych | Likely “beloved” or “kind/generous” (from Brittonic roots) | English, Welsh | Boy | — | |
| Cein | Beautiful, fair | Welsh | Girl | — | |
| Ceinwen | From Welsh cein 'gentle/fair' + wen 'white/blessed' - 'gentle/fair and blessed' | Welsh | Girl | — | |
| Ceinwin | Fair/gentle - from Welsh cein (gentle/beautiful) + win/wyn (fair/blessed) | Welsh | Girl | — | |
| Ceinwyn | Fair, blessed; beautiful | Welsh | Girl | — | |
| Ceinwynn | From Welsh elements cein (gentle, beloved, fair) + gwyn/wynn (white, fair, blessed) - roughly "gentle/fair and blessed" or "beloved and fair". | Welsh | Girl | — | |
| Ceinwynne | Gentle and fair / gentle, blessed | Welsh | Girl | — | |
| Ceirin Ceiron | “Little dark one” - diminutive of Gaelic ciar (“dark”) | Welsh | Boy | — | |
| Cenewyg | Probably from Welsh elements meaning 'head/chief' with a diminutive or relational suffix - roughly 'little chief' or 'chief's child' (interpretation uncertain). | Welsh | Girl | — | |
| Cennydd | Meaning uncertain; associated with a Welsh saint - possibly related to words for 'chief' or 'first-born'. | Welsh | Boy | — | |
| Cenydd | Uncertain; name is ancient and not well-attested. Primarily known from the saint; exact etymology/meaning is unclear. | Welsh | Boy | — | |
| Ceredic | Beloved | Welsh | Boy | — | |
| Ceredig | Beloved, cherished | Welsh | Boy | — | |
| Ceredwen | Name of a Welsh mythological enchantress associated with wisdom, poetic inspiration, and transformation; often interpreted as 'blessed' or 'fair poetess'. | Welsh | Girl | — | |
| Ceri | Beloved (Welsh); alternatively 'dark-haired' when linked to Kerry | Welsh | Unisex | — | |
| Ceridic | Likely "beloved" or "cherished" | Welsh | Boy | — | |
| Ceridwyn | Associated with the legendary Welsh enchantress; generally understood as 'fair/blessed form' or 'beautiful/cherished one' (exact etymology uncertain). | Welsh | Girl | — | |
| Cerin | Beloved; little loved one | Welsh | Unisex | — | |
| Ceris | Beloved; love | Welsh | Girl | — | |
| cerridwen | Legendary Welsh enchantress; often understood as 'blessed/fair enchantress' or 'fair one'. | Welsh | Girl | — | |
| Cery | Likely 'to love' / 'beloved' or 'from the River Ceri' | Welsh | Unisex | — | |
| Cerydwen | Possibly 'fair/blessed' (‑wen) with an uncertain first element; name of a Welsh mythic enchantress associated with poetic inspiration. | Welsh | Girl | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
