| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Dylis | Genuine, steadfast, true (faithful) | Welsh | Girl | — | |
| Dylisah | Faithful, genuine, honest | Welsh | Girl | — | |
| Dyliss | Genuine; sincere; steadfast | Welsh | Girl | — | |
| Dyllian | 'Son of the sea' or 'born of the sea' (from Welsh Dylan) | Welsh | Boy | — | |
| Dyllin | Son of the sea; sea-born | Welsh | Boy | — | |
| Dyllyn | Born of the sea; 'great tide'. | Welsh | Unisex | — | |
| Dyllynn | Combination of 'Dylan' ('son of the sea') and 'Lynn' ('lake' or 'pool'), suggesting a water-related meaning (e.g., 'born by the sea/lake'). | English, Welsh | Girl | — | |
| Dyllys | Genuine; true; sincere | Welsh | Girl | — | |
| Dyllysa | Generally interpreted as a feminine name evoking sweetness or sincerity - often linked to 'honeybee' or 'genuine/steadfast' | Welsh | Girl | — | |
| Dylyan | Son of the sea / born of the sea | Welsh | Boy | — | |
| Dylys | True, genuine, steadfast | Welsh | Girl | — | |
| Dyn | Man; person | Welsh | Boy | — | |
| Dynmor | Man of the sea | Welsh | Boy | — | |
| Dyvyr | Uncertain - no established historical meaning; appears to be a contemporary Welsh-style coinage with unclear etymology. | Welsh | Boy | — | |
| Eavane | Likely 'pleasant' or 'beautiful' (from Irish Eavan/Aoibhinn); alternatively a feminine/variant form of Evan, associated with 'young warrior' or 'God is gracious'. | English, Irish, Welsh | Girl | — | |
| Ebril | 'April' - associated with the month of April; often used for babies born in April or as a spring name | Welsh | Girl | — | |
| Ebrill | April (the month) | Welsh | Girl | — | |
| Ederyn | Bird | Welsh | Girl | — | |
| Efa | Life; living | Welsh | Girl | — | |
| Efan | God is gracious | Welsh | Boy | — | |
| Effyn | Likely from Euphemia: "well‑spoken" or "good speech" (otherwise of uncertain Welsh origin) | English, Welsh | Girl | — | |
| Efnisien | Uncertain; traditionally associated with spite, violence, or malicious temperament in the Mabinogion | Welsh | Boy | — | |
| Efyn | Variant of Evan/Iefan (Welsh form of John); meaning: 'God is gracious.' | Welsh | Boy | — | |
| Eiddwen | Likely "fair, blessed" (contains Welsh element gwen = 'white, fair, blessed'); first element uncertain | Welsh | Girl | — | |
| Eiddwena | Likely 'fair' or 'blessed' (from Welsh elements meaning 'fair/blessed') | Welsh | Girl | — | |
| Eiddwyn | Likely 'fair' or 'blessed' - with the element -wyn meaning 'white/fair' | Welsh | Boy | — | |
| Eifion | From Eifion / of the Eifionydd region | Welsh | Boy | — | |
| Eifiona | Feminine form of the Welsh name Eifion; associated with the Eifionydd region in northwest Wales. Literal meaning is uncertain and primarily place-derived. | Welsh | Girl | — | |
| Eifionah | Feminine form of Eifion - essentially 'from Eifion', a region in northwest Wales. | Welsh | Girl | — | |
| Eilwen | Fair, white or blessed (from Welsh element 'gwen' = white/fair; 'eil' element uncertain) | Welsh | Girl | — | |
| Eilwyn | Fair/white; blessed or fair-haired (from Welsh elements meaning 'fair/white' and 'blessed') | Welsh | Boy | — | |
| Einian | Probably derived from Old Welsh, associated with 'anvil' or qualities of steadiness/faithfulness | Welsh | Boy | — | |
| Einion | Anvil (symbolizing strength) | Welsh | Boy | — | |
| Einon | From Welsh meaning 'anvil' - figuratively 'steadfast' or 'strong' | Welsh | Boy | — | |
| Eirah | Possibly 'snow' (from Welsh Eira) or 'mercy/healer' (from Norse Eir); also used as a modern/creative name form. | Norse, Welsh | Girl | — | |
| Eirig | Ever-ruler; eternal ruler | Welsh | Boy | — | |
| Eirwen | Snow-white, fair as snow | Welsh | Girl | — | |
| Eirwena | Snow-white - fair or blessed snow | Welsh | Girl | — | |
| Eirwenah | Snow-white; fair, blessed | Welsh | Girl | — | |
| Eirwene | White/blessed snow | Welsh | Girl | — | |
| Eiry | Snow | Welsh | Girl | — | |
| Eithin | Gorse or broom (a shrub) | Welsh | Boy | — | |
| Eithon | Hebrew: "firm, enduring"; Welsh: "gorse/brushwood" (from eithin) | Hebrew, Welsh | Boy | — | |
| Eithyn | Gorse (a spiny, yellow-flowering shrub); a botanical/nature-based name | Welsh | Unisex | — | |
| Eldwen | Likely 'old/blessed' or 'fire + fair' - from 'eld' (Old English 'eald' = old or Norse 'eld' = fire) + Welsh 'wen' (fair/blessed) | Celtic, English, Norse, Welsh | Girl | — | |
| Elfyn | Elf; elf‑like (associated with elves or elf‑friend) | Welsh | Boy | — | |
| Elgan | Handsome, fair | Welsh | Boy | — | |
| Eliant | Likely 'my God' (from Eli) or 'of Aelia / sun' (from Aelianus); often treated as a modern variant/blend of Elian | Welsh | Unisex | — | |
| Elidor | From Welsh legend/literature - often rendered as 'enchanted/fairy land' or associated with 'gold' | Welsh | Boy | — | |
| Elinud | Likely a Welsh form related to Eluned/Eiluned; ultimately connected to Elen/Helena ('torch, light') though the exact meaning is uncertain and has also been rendered in tradition as 'image' or 'idol'. | Welsh | Girl | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
