| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Gethyn | Dark-skinned, swarthy or dusky | Welsh | Boy | — | |
| Gildass | Uncertain - traditionally interpreted as 'servant' or 'devotee'; exact etymology is debated | Breton, Welsh | Boy | — | |
| Gilvaethwy | Unknown - a mythological personal name from the Welsh Mabinogion; exact etymology is unclear. | Welsh | Boy | — | |
| Ginervah | Fair or white; often rendered as 'fair lady' or 'white phantom' | Welsh | Girl | — | |
| Gini | Diminutive of Virginia/Ginevra - 'virgin, pure' or 'white/fair' | Italian, Welsh | Girl | — | |
| Glad | Happy, cheerful, bright | English, Hungarian, Welsh | Unisex | — | |
| Gladsis | Probably related to Gladys: 'country, nation' (Welsh) or derived from English 'glad' meaning 'happy'. | English, Welsh | Girl | — | |
| Gladwen | Derived from Welsh elements with -wen ('white, fair, blessed'); generally interpreted as 'fair/blessed' or 'white and blessed'. | Welsh | Girl | — | |
| Glady | From Welsh 'gwlad' meaning 'country, nation'; also associated with 'glad' meaning 'happy, joyful'. | English, Welsh | Girl | — | |
| Gladyss | From Welsh gwlad, meaning "land" or "homeland" | Welsh | Girl | — | |
| Glain | Likely from Welsh glân ('clean, pure') or glain ('grain, seed'); generally conveys 'pure' or 'grain/seed'. | Welsh | Unisex | — | |
| Glan | Clean, pure; (in Welsh) shore or bank | Irish, Welsh | Unisex | — | |
| Glaw | Rain | Welsh | Unisex | — | |
| Glendalys | Likely 'valley' (from 'glen'); possibly interpreted as a poetic 'valley of the lily' or a modern elaboration | English, Welsh | Girl | — | |
| Glennys | Valley / dweller of the valley | Welsh | Girl | — | |
| Glenys | Pure, clean, holy (occasionally associated with 'valley') | Welsh | Girl | — | |
| Glew | Quick, nimble; eager/ready | Welsh | Boy | — | |
| Glewlwyd | Likely from Welsh glew (keen/valiant/merry) + llwyd (gray) - roughly 'keen/valiant gray' or 'gray-brave'. | Welsh | Boy | — | |
| Glyn | Valley | Welsh | Boy | — | |
| Glyndan | Related to a valley; roughly 'valley' or 'valley + hill/settlement' | English, Welsh | Boy | — | |
| Glynden | From the valley; valley settlement | English, Welsh | Unisex | — | |
| Glyndin | Valley fortress; fortified valley (from glyn 'valley' + din 'fort') | Welsh | Boy | — | |
| Glyndur | Likely 'valley of water' or 'valley-stream' (from Welsh glyn 'valley' + dŵr 'water') | Welsh | Boy | — | |
| Glyndyn | Man of the valley (from glyn 'valley' + dyn 'man') | Welsh | Boy | — | |
| Glyndŵr | Valley of the water (from glyn 'valley' + dŵr 'water') | Welsh | Boy | — | |
| Glynis | Valley (from the valley) | Welsh | Girl | — | |
| Glynna | Valley; dweller of the valley | English, Welsh | Girl | — | |
| Glynndan | Likely 'valley-hill' - from Welsh glyn 'valley' combined with an element like Old English 'don/dun' meaning 'hill' or a -dan suffix | English, Welsh | Boy | — | |
| Glynnden | Valley; dweller of the valley | Welsh | Boy | — | |
| Glynndyn | 'Man of the valley' / 'valley man' | Welsh | Boy | — | |
| Glynnea | From the valley / valley | English, Welsh | Girl | — | |
| Glynnis | Valley; 'dweller of the valley.' | Welsh | Girl | — | |
| Glynnrowin | From Glynn (valley) + Rowan (rowan tree / 'little red one') - 'valley of the rowan' or 'dweller of the rowan valley' | Gaelic, Welsh | Unisex | — | |
| Glynnys | Valley | Welsh | Girl | — | |
| Glynrowen | Valley of the rowan tree. | Welsh | Unisex | — | |
| Gobrwy | Uncertain - not well attested; may incorporate Welsh element gob ("beak/, promontory") with a second element of unclear meaning; overall meaning unknown | Welsh | Boy | — | |
| Goewin | From Welsh elements meaning 'fair/blessed'; name of a virgin steward in Arthurian legend | Welsh | Girl | — | |
| Gof | Smith, blacksmith (metalworker) | Cornish, Welsh | Boy | — | |
| Goldwyne | Golden friend/joy; 'gold' + 'wyn' (fair/joy) | English, Welsh | Unisex | — | |
| Goldwynne | Golden and fair - "gold" + Welsh "wynne" (fair/blessed) | English, Welsh | Girl | — | |
| Goleuddydd | Daylight; light of day | Welsh | Girl | — | |
| Gorasgwrn | Great bone / mighty bone | Welsh | Boy | — | |
| Gorawen | Likely "great inspiration" - from Welsh gor- "very/over" + awen "poetic inspiration/muse". | Welsh | Girl | — | |
| Goreu | Best, the best | Welsh | Boy | — | |
| Gorsedd | ‘throne’ or ‘assembly’, especially the bardic assembly (the Gorsedd of the Bards) | Welsh | Unisex | — | |
| Gough | Red; red-haired or ruddy-complexioned | Welsh | Boy | — | |
| Govannon | Smith (divine or legendary smith) | Celtic, Welsh | Boy | — | |
| Gower | From Gower (the peninsula in Wales); a habitational name | English, Welsh | Boy | — | |
| Gracelynnn | Combines 'Grace' (favor, blessing) and 'Lynn' (lake, waterfall) - roughly 'graceful lake' or 'blessed pool'. | English, Welsh | Girl | — | |
| Graig | Rock, crag | Welsh | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
