| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Morwen | Sea maiden / maiden of the sea | Welsh | Girl | — | |
| Morwyn | Maiden; sometimes interpreted as 'sea maiden' or associated with sea/fair elements | Welsh | Girl | — | |
| morwynn | Fair/white sea; by extension 'maiden of the sea' | Cornish, Welsh | Girl | — | |
| Morys | 'dark-skinned' or 'Moor' | Welsh | Boy | — | |
| Morysse | From Maurus - 'dark-skinned' or 'Moorish' | Latin, Welsh | Boy | — | |
| Mostyn | Settlement or farm by the moss (dweller near a bog) | Welsh | Boy | — | |
| Murvin | Likely 'sea-friend' (Old English) or 'sea-born/eminent' (Welsh) | English, Welsh | Boy | — | |
| Murwin | Likely 'sea friend' or 'friend of the sea' (from elements meaning 'sea' + 'friend') | English, Welsh | Boy | — | |
| Myfanwy | My beloved / my dear | Welsh | Girl | — | |
| Mynyddog | Mountainous | Welsh | Boy | — | |
| Myrddin | Uncertain - legendary name associated with the wizard Merlin; sometimes connected etymologically to a place-name meaning 'sea-fort' (from Moridunum). | Welsh | Boy | — | |
| Myrddyn | Possibly 'sea fort' or 'fort by the sea'; legendary name associated with the wizard Merlin | Welsh | Boy | — | |
| Nansi | Grace, favor | Welsh | Girl | — | |
| Nantyn | Little stream; brooklet | Welsh | Boy | — | |
| Nefyn | Place-name; named for the Welsh town Nefyn. Exact etymology uncertain (possibly related to a coastal/promontory name). | Welsh | Unisex | — | |
| Neifion | Heavenly; of the heavens | Welsh | Boy | — | |
| Nellwyn | From Nell (light/torch) + Welsh 'wyn' (fair/blessed) - 'fair or bright Nell' / 'little fair one' | English, Welsh | Girl | — | |
| Nellwynn | From 'Nell' (diminutive of Eleanor/Helen, 'light') + Welsh 'wyn/wynn' ('fair, blessed') - roughly 'little bright/fair one' or 'beloved and fair'. | English, Welsh | Girl | — | |
| Nellwynne | A compound name: 'Nell' (diminutive of Eleanor/Helen, suggesting 'light' or 'bright') + 'Wynne' (Welsh for 'white', 'fair', or 'blessed') - overall 'bright, fair, or blessed.' | English, Welsh | Girl | — | |
| Newyddilyn | From Welsh 'newydd' (new) with a feminine suffix; roughly 'new one' or 'new-born' | Welsh | Girl | — | |
| Nisien | Gentle, kind, peaceful; name of the benevolent twin in Welsh legend | Welsh | Boy | — | |
| Nodyn | ‘note’ - a musical note or written annotation | Welsh | Boy | — | |
| Nudd | Name of a mythological Celtic leader, associated with Nuada and the epithet 'Silver Hand'. | Celtic, Welsh | Boy | — | |
| Olwena | Derived from the Welsh name Olwen, meaning 'white footprint' or 'fair track'. | Welsh | Girl | — | |
| Olwenah | Derived from Olwen: 'white footprint' - fair, white, or blessed | Welsh | Girl | — | |
| Olwenna | White footprint / fair-footed | Welsh | Girl | — | |
| Olwennah | White or blessed footprint (fair/blessed + footprint) | Welsh | Girl | — | |
| Olwenne | From Welsh elements meaning 'white/fair' (gwen) and 'footprint' (ol) - 'white/fair footprint' or 'fair one'. | Welsh | Girl | — | |
| Olwina | Fair/white footprint (from Welsh 'Olwen' - 'ol' = footprint, 'gwen' = white/fair) | Welsh | Girl | — | |
| Olwinn | From Welsh ol (footprint) + gwen (white, fair) - 'white/fair footprint' | Welsh | Girl | — | |
| Olwynah | White footprint - from Welsh ol (footprint/track) + gwyn (white, fair) | Welsh | Girl | — | |
| Olwyne | White footprint; fair/blessed | Welsh | Girl | — | |
| Olwynn | From Welsh elements meaning 'white/fair' and 'foot/track' - 'white footprint' or 'fair/blessed'. | Welsh | Girl | — | |
| Olwynnah | White/fair footprint or track (from Welsh elements ol + gwyn) | Welsh | Girl | — | |
| Olwynne | White footprint (from Welsh ol 'track/foot' + gwen 'white/fair') | Welsh | Girl | — | |
| Owaine | Well-born, noble | Welsh | Boy | — | |
| Owena | Feminine form of Owen: "young warrior" / "noble" / "well‑born" (also sometimes associated with "born of the yew") | Welsh | Girl | — | |
| Owene | Noble, well‑born; sometimes interpreted as 'young warrior' | Welsh | Boy | — | |
| Owenna | Female form of Owen, commonly interpreted as 'young warrior' or 'noble/well‑born'. | English, Welsh | Girl | — | |
| Owine | Likely related to Owain/Owen - generally understood as 'young warrior' or 'well-born/noble' | English, Welsh | Boy | — | |
| Owny | Noble, well-born; (also interpreted as) young warrior | Welsh | Boy | — | |
| Owyne | Noble-born; well-born / young warrior | Welsh | Boy | — | |
| Padarn | Fatherly; 'of the father' (paternal) | Welsh | Boy | — | |
| Pant | Hollow; valley | Welsh | Unisex | — | |
| Parri | Originally a patronymic meaning 'son of Harry' (Harry being a diminutive of Henry) | English, Welsh | Boy | — | |
| Parrie | Variant of Perry/Parry; either 'pear tree' (from Perry) or 'son of Harry' (from Welsh Parry) | English, Welsh | Unisex | — | |
| Parry | Son of Harry (Welsh); alternatively from 'pear tree' (English) | Welsh | Boy | — | |
| Patwyn | Noble and fair/white (combination of 'Pat' = noble and Welsh '-wyn' = fair/white/blessed) | English, Welsh | Unisex | — | |
| Pededur | Possibly “hard/steel spear” (likely from Welsh elements meaning spear + hard/steel) | Welsh | Boy | — | |
| Pedr | Derived from Greek petros meaning 'rock' or 'stone'. | Welsh | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
