| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Siani | God is gracious | Welsh | Girl | 158 #101 | |
| Awena | Poetic inspiration; muse | Welsh | Girl | 155 #102 | |
| Iwan | God is gracious | Welsh | Boy | 153 #103 | |
| Avon | River | Welsh | Unisex | 149 #104 | |
| Elen | Bright, shining one; torch | Welsh | Girl | 148 #105 | |
| Rhonda | From the Rhondda valley/river in Wales; often interpreted as "noisy" | Welsh | Girl | 147 #106 | |
| Ioan | God is gracious | Romanian, Welsh | Boy | 142 #107 | |
| Lynah | Depending on origin: "lake" (from Lynn), "to rest/lodge" (Hebrew Linah), or "tender/delicate" (variant of Lina). | Hebrew, Welsh | Girl | 140 #108 | |
| Noni | Diminutive meaning 'little Non' or the Polynesian word for the noni fruit (Morinda citrifolia). | English, Polynesian, Welsh | Girl | 139 #109 | |
| Gwendolen | Fair/blessed ring (from Welsh gwen + dolen) | Welsh | Girl | 137 #110 | |
| Leondre | Lion-man - from Leon (lion) combined with an element from André meaning 'man' or 'warrior'; suggests lion-like bravery | Welsh | Boy | 134 #111 | |
| Arth | Welsh: 'bear'. Sanskrit/Hindi: 'meaning', 'purpose', or 'wealth'. | Hindi, Sanskrit, Welsh | Boy | 133 #112 | |
| Rees | Enthusiasm, ardor | Welsh | Boy | 131 #113 | |
| Dylen | From Welsh elements meaning 'great' and 'tide' - often interpreted as 'son of the sea' or 'great tide' | Welsh | Boy | 130 #114 | |
| Caron | Beloved | Welsh | Girl | 129 #115 | |
| Llewellyn | From Welsh Llywelyn - likely 'leader' (also folk-associated with 'lion'/'lion-like') | Welsh | Boy | 127 #116 | |
| Cerys | Beloved, love | Welsh | Girl | 126 #117 | |
| Morgann | Sea-born; associated with the sea | Breton, Welsh | Unisex | 125 #118 | |
| Gwenn | From the Breton/Welsh element 'gwen' meaning 'white, fair, blessed' | Breton, Welsh | Girl | 122 #119 | |
| Arwin | Generally interpreted as a form of Arvin/Erwin meaning 'friend' (often rendered 'eagle-friend' or 'army-friend'); in Welsh linked to 'fair/blessed'; similar to Persian Arvin. | Germanic, Persian, Welsh | Boy | 120 #120 | |
| Merlyn | Likely 'sea fortress' or 'hill by the sea'; associated with the legendary wizard Merlin. | Welsh | Boy | 120 #121 | |
| Owynn | Derived from Owain/Owen - "well‑born" or "young/young warrior" | Welsh | Boy | 119 #122 | |
| Emyr | King; ruler; lord | Welsh | Boy | 114 #123 | |
| Brinn | Hill (primary); sometimes associated with similar Celtic names meaning 'raven' or 'noble' | English, Welsh | Unisex | 113 #124 | |
| Elleri | Likely a variant of the Welsh name Eleri (a river/place name); exact meaning uncertain but associated with the River Eleri or place-based origin. | English, Welsh | Girl | 111 #125 | |
| Vaughan | Small, little; younger (a junior) | Welsh | Boy | 111 #126 | |
| Morgyn | Derived from elements meaning 'sea' - commonly interpreted as 'sea-born', 'sea chief', or 'sea defender'. | Welsh | Unisex | 108 #127 | |
| Gwynn | White, fair, blessed | Welsh | Unisex | 107 #128 | |
| Menna | Arabic: from مِنّة (minnah) meaning "grace, favor, blessing"; Welsh: a feminine Celtic name/variant (used in Wales; etymology linked to names like Mena/Mina). | Arabic, Welsh | Girl | 105 #129 | |
| Gladis | From Welsh gwlad, meaning 'land' or 'nation' (often interpreted as 'of the land' or 'princess of the country') | Welsh | Girl | 104 #130 | |
| Meryn | Of the sea; sea-born | Cornish, English, Welsh | Unisex | 103 #131 | |
| Madoc | Fortunate, good | Welsh | Boy | 102 #132 | |
| Merrik | Likely 'dark-skinned'/'Moorish' (from Mauricius/Maurice) or alternatively 'famous ruler' (from Old English elements meaning 'famous' + 'ruler'). | Welsh | Boy | 101 #133 | |
| Dillyn | Son of the sea; born of the tide | Welsh | Boy | 96 #134 | |
| Powell | Son of Hywel (Hywel = 'eminent, conspicuous') | Welsh | Boy | 93 #135 | |
| Bran | Raven; crow | Celtic, Irish, Welsh | Boy | 92 #136 | |
| Gwyn | White; fair; blessed | Welsh | Boy | 91 #137 | |
| Llewelyn | From Welsh elements possibly meaning 'leader' or 'lion-like'. | Welsh | Boy | 88 #138 | |
| Karys | Beloved; love (sometimes linked to 'grace' via Charis) | Welsh | Girl | 83 #139 | |
| Jestin | Just, righteous | Latin, Welsh | Boy | 82 #140 | |
| Griff | Short form of Griffith/Griffin - from Welsh Gruffudd meaning 'strong lord' or 'prince'; also evokes the mythical griffin. | Welsh | Boy | 79 #141 | |
| Gwyndolyn | 'white, fair, or blessed ring' (from Welsh gwen 'white/fair/blessed' + dolen 'ring') | Welsh | Girl | 78 #142 | |
| Madox | Son of Madoc; Madoc derives from Welsh 'mad' meaning 'fortunate' or 'good' - roughly 'son of the fortunate one.' | Welsh | Boy | 77 #143 | |
| Reiss | Ardent, enthusiastic, fervent | Welsh | Boy | 77 #144 | |
| Aneira | From Welsh an- ('very') + eira ('snow') - 'much snow' or 'snowy'. | Welsh | Girl | 72 #145 | |
| Gwladys | Country, nation; of the homeland | Welsh | Girl | 71 #146 | |
| Heilyn | Rare name of uncertain origin; sometimes interpreted in modern use as 'little sun' or 'sunbeam' (meaning not well documented). | Welsh | Girl | 71 #147 | |
| Collen | Hazel (hazel tree); also associated with 'young pup' (Gaelic diminutive Cailean) and, when linked via Colin to Nicholas, 'victory of the people'. | English, Gaelic, Welsh | Boy | 67 #148 | |
| Dylane | Derived from Welsh Dylan, meaning "great tide" or "son of the sea" | Welsh | Girl | 65 #149 | |
| Emris | Likely 'immortal' or 'divine' (derived from Emrys/Ambrosius) | Welsh | Boy | 65 #150 |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
