| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Gwynham | Fair/white or blessed homestead | Welsh | Boy | — | |
| Gwynhwyfar | From Welsh gwyn 'white, fair' + hwyfar (likely 'smooth' or 'phantom'); often given as 'white/fair one' or 'white phantom'. | Welsh | Girl | — | |
| Gwynifor | From Welsh gwyn 'white/fair/blessed' + Ifor (Ivor); roughly 'fair/blessed Ivor' or 'white/fair lord'. | Welsh | Boy | — | |
| Gwynith | From Welsh 'gwyn' meaning 'white, fair, blessed'. | Welsh | Girl | — | |
| Gwynwen | Fair/white and blessed (from Welsh 'gwyn'/'gwen' meaning 'white, fair, blessed') | Welsh | Girl | — | |
| Gwys | Uncertain - possibly related to the Welsh element 'gwy' (associated with water/river) or to the rare medieval Welsh name Gwyas | Welsh | Boy | — | |
| Gwystyl | Unclear/obscure. Possibly linked to Old English Wystan ('battle stone') or from native Welsh elements; overall etymology uncertain. | Welsh | Boy | — | |
| Gwyther | Historic Welsh personal name; exact meaning uncertain. Associated with the legendary figure Gwythyr ap Greidawl. | Welsh | Boy | — | |
| Gwythyr | Uncertain; etymology disputed - possibly related to words for 'lord', 'battle' or 'host'. | Welsh | Boy | — | |
| Gynn | Fair, white; blessed | English, Welsh | Unisex | — | |
| Gynnyva | From Welsh elements meaning "white, fair" - "the fair one" or "white enchantress" | Welsh | Girl | — | |
| Hafgan | Likely derived from Welsh haf ('summer') + -gan (an element that can be diminutive or denote birth), roughly 'summer-born' or 'little summer'; exact historical meaning is uncertain | Welsh | Boy | — | |
| Hafwena | From Welsh haf ('summer') + wen ('white/blessed') - 'blessed (or fair) summer'. | Welsh | Girl | — | |
| Hafwyn | Fair or blessed summer | Welsh | Boy | — | |
| Hakin | Depends on origin: 'high/esteemed son' (Old Norse Hákon) or 'wise/judicious' (Arabic Hakim); also recorded as a Welsh place-name. | Arabic, Norse, Welsh | Boy | — | |
| Hamydd | Uncertain - obscure in Welsh; if linked to Arabic Hamid/Hameed, means "praiseworthy". | Welsh | Boy | — | |
| Hanalyn | Blend of Hana ('grace'/'flower'/'one') and Lyn ('lake'/'water' or a diminutive) - roughly 'graceful/flower-like lake' or 'grace + Lyn'. | English, Japanese, Slavic, Welsh | Girl | — | |
| Heddli | From Welsh 'hedd' meaning 'peace' - a diminutive form meaning 'little peace' or 'peaceful one' | Welsh | Girl | — | |
| Heddwen | From Welsh hedd ('peace') + -wen ('white/blessed') - 'blessed peace' or 'fair peace'. | Welsh | Girl | — | |
| Heddwin | Blessed/fair peace | Welsh | Boy | — | |
| Heddwyg | Peace / peaceful | Welsh | Girl | — | |
| Heddwyn | From Welsh hedd 'peace' + wyn 'fair/blessed' - 'blessed peace' or 'fair peace'. | Welsh | Boy | — | |
| Hedwen | From Welsh hed 'peace' + gwen 'white/fair/blessed' - 'blessed peace' or 'fair peace' | Welsh | Girl | — | |
| Hefeydd | Unclear/unknown - the name of a mythological Welsh figure (e.g., Hefeydd Hen, father of Blodeuwedd in the Mabinogion). | Welsh | Boy | — | |
| Hen Wyneb | Literally 'old face' (from Welsh hen 'old' + wyneb 'face'); can suggest 'ancient visage' or figuratively 'ancient wisdom'. | Welsh | Unisex | — | |
| Herin | Uncertain; meaning varies by origin - possibly linked to the bird 'heron', a regional personal name, or words with senses like 'iron' or local family names | French, Indonesian, Welsh | Unisex | — | |
| Heulwen | Sunny, radiant (from Welsh heul 'sun' + -wen 'fair/blessed') | Welsh | Girl | — | |
| Hogyn | Boy; lad; young man | Welsh | Boy | — | |
| Howal | Eminent, conspicuous | Welsh | Boy | — | |
| Howall | Eminent, conspicuous | Welsh | Boy | — | |
| Hueil | Uncertain - possibly 'eminent' or 'conspicuous' if related to Hywel; otherwise of unknown/obscure meaning | Welsh | Boy | — | |
| Huwe | Mind/heart/spirit; thoughtful, intelligent | Welsh | Boy | — | |
| Hywel | Eminent, conspicuous, notable | Welsh | Boy | — | |
| Ianto | Diminutive of the Welsh form of John; meaning 'God is gracious.' | Welsh | Boy | — | |
| Idri | Likely a short form or modern variant of Idris - 'studious'/'interpreter' (Arabic) or 'ardent/fiery lord' (Welsh); also associated with the prophet Enoch in Islamic tradition. | Arabic, Welsh | Unisex | — | |
| Idwal | Lord of the rampart | Welsh | Boy | — | |
| Iefan | Yahweh is gracious | Welsh | Boy | — | |
| Iestin | Just; fair; righteous | Welsh | Boy | — | |
| Iestyn | Derived from Justinus: "just, righteous" | Welsh | Boy | — | |
| Iesu | Form of 'Jesus' - from Hebrew Yeshua/Yehoshua meaning 'Yahweh is salvation' or 'God saves'. | Welsh | Boy | — | |
| Ievan | God is gracious | Welsh | Boy | — | |
| Ifaen | Probably related to John - 'God is gracious' (rare/uncertain) | Welsh | Boy | — | |
| Ifan | God is gracious | Welsh | Boy | — | |
| Ifor | Yew-tree warrior; archer | Welsh | Boy | — | |
| Ilar | Cheerful, happy | Welsh | Boy | — | |
| Iolo | A Welsh diminutive of Iorwerth, often interpreted as "lord" or "handsome lord". | Welsh | Boy | — | |
| Iorwen | Derived from Welsh elements: Ior (uncertain) + -wen 'white, fair, blessed' - generally interpreted as 'fair/blessed (female)' or 'fair one'. | Welsh | Girl | — | |
| Iorwerth | Fair or handsome lord | Welsh | Boy | — | |
| Iorweth | Likely 'lord' or 'noble' (lordly, noble ruler) | Welsh | Boy | — | |
| Iowereth | Lordly, noble (often interpreted as 'handsome lord') | Welsh | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.