| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Merrydithe | Derived from Welsh Maredudd, meaning 'great lord' or 'sea lord'. | English, Welsh | Girl | — | |
| Merrydyth | Joyful ruler / 'sea lord' (from Welsh); often interpreted as 'merry ruler' or 'happy protector'. | English, Welsh | Girl | — | |
| Merryk | Variant of Merrick; commonly understood as 'famous/ruler' (Germanic interpretation) or linked to Maurice meaning 'dark-skinned' (from Mauricius) | English, Welsh | Boy | — | |
| Mertyn | Warlike; "of Mars" | English, Welsh | Boy | — | |
| Merven | Derived from Old Welsh Merfyn; meaning uncertain, often interpreted as 'sea hill' or 'sea chief'. | Welsh | Boy | — | |
| Mervina | Feminine form of Mervin/Mervyn, traditionally interpreted from Welsh elements as related to the sea - often rendered 'sea hill' or 'sea-famous.' | Welsh | Girl | — | |
| Mervine | Generally 'sea friend' or 'famous friend' (also sometimes interpreted as 'sea-hill') | English, Welsh | Boy | — | |
| Mervyne | Likely 'sea-born' or 'famous' - from Welsh elements mor 'sea' + wyn 'fair/eminent' | Welsh | Boy | — | |
| Merwynne | 'sea friend' / 'friend of the sea' (by extension 'famous friend') | English, Welsh | Boy | — | |
| Merydeth | Great lord; sea ruler | Welsh | Unisex | — | |
| Merydith | Originally 'great lord' (from Welsh elements meaning 'great'/'lord' or 'ruler') | Welsh | Girl | — | |
| Merydyth | From Welsh Maredudd/Meredydd - often interpreted as 'great lord' or 'sea lord' | Welsh | Girl | — | |
| Meuric | Derived from Mauricius, meaning "dark-skinned" or "Moor". | Welsh | Boy | — | |
| Meurig | Welsh form of Maurice, from Latin Mauricius meaning "dark-skinned" or "Moorish" | Welsh | Boy | — | |
| Mevanwy | Possibly "beloved" or "pleasant" - exact etymology uncertain | Welsh | Girl | — | |
| Meygan | Pearl | English, Welsh | Girl | — | |
| Meygen | Pearl (diminutive of Margaret) | Welsh | Girl | — | |
| Meygon | Pearl (derived from Margaret) | English, Welsh | Girl | — | |
| Meygyn | Derived from Margaret, meaning "pearl" (little pearl) | Welsh | Girl | — | |
| Mieghan | Pearl | Welsh | Girl | — | |
| Mihangel | Who is like God? | Welsh | Boy | — | |
| Millin | Likely 'little devotee' or 'servant' (from Gaelic Maolán) or 'of the mill' / 'miller' (occupational/Welsh) | Breton, English, Gaelic, Irish, Welsh | Boy | — | |
| Mindon | Hill settlement | English, Welsh | Boy | — | |
| Mor | Hebrew: 'myrrh' (fragrant resin); Irish: 'great'; Welsh: 'sea' (Môr) | Hebrew, Irish, Scottish Gaelic, Welsh | Unisex | — | |
| Morcan | From Old Welsh 'Morcant' - 'mor' (sea) + an element meaning 'circle' or 'chief'; often interpreted as 'sea-born' or 'sea chief'. | Irish, Welsh | Boy | — | |
| Mordrain | Speculative: 'great/sea/strong' or 'dark/strong one' (constructed meaning) | Welsh | Boy | — | |
| Mordryd | Uncertain - historically linked to the Arthurian name Mordred (Welsh Medraut); exact etymology and meaning are unclear. | Welsh | Boy | — | |
| Morfran | “sea-crow” or “sea-raven” (from Welsh mor = sea + fran = crow/raven) | Welsh | Boy | — | |
| Morgaen | Sea‑born; sea defender | Welsh | Unisex | — | |
| Morgain | From elements related to 'sea' - often interpreted as 'sea-born', 'sea defender' or 'sea chief'. | Breton, Welsh | Unisex | — | |
| Morgan Tud | Sea-born or 'sea circle' (Morgan) + 'people' / 'ruler of the people' (Tud, related to Tudor) | Welsh | Unisex | — | |
| Morganah | Sea-born / born of the sea | Welsh | Girl | — | |
| Morgance | Sea-born; sea chief/sea defender | Celtic, Welsh | Girl | — | |
| Morganna | Likely 'sea-born' or 'of the sea', associated with Morgan le Fay | Celtic, Welsh | Girl | — | |
| Morgawse | Related to Morgan; broadly interpreted as 'sea-born' or 'sea-circle', associated with the sea and enchantment | Welsh | Girl | — | |
| Morgayn | Derived from Welsh elements meaning 'sea' + 'circle', commonly interpreted as 'sea-born' or 'sea chief'. | Welsh | Unisex | — | |
| Morgayna | Sea-born; born of the sea | Welsh | Girl | — | |
| Morgayne | Sea-born (from Old Welsh 'mor' meaning sea; sometimes interpreted as 'sea defender') | Celtic, Welsh | Unisex | — | |
| Morgenna | Born of the sea (sea-born; sea maiden) | Cornish, Welsh | Girl | — | |
| Morghann | Originally 'sea-born' or 'sea defender' (from Welsh Morgan) | Welsh | Unisex | — | |
| Morgin | From Welsh elements related to the sea; commonly interpreted as 'sea‑born' or 'sea defender'. | Celtic, Welsh | Unisex | — | |
| Morgwen | From Welsh mor ('sea') + gwen ('white, fair, blessed'); roughly 'sea fair one' or 'blessed sea'. | Welsh | Girl | — | |
| Morgwena | From mor 'sea' + gwen 'white/fair' - 'fair/white sea' or 'sea maiden' | Breton, Welsh | Girl | — | |
| Morgwenah | From Welsh mor 'sea' + gwen 'fair/blessed' - 'fair one of the sea' or 'sea-blessed' | Celtic, Welsh | Girl | — | |
| Morien | Possibly 'sea-born' / 'of the sea' (if from môr) or alternatively interpreted as 'Moorish' / 'dark-skinned' in some Arthurian contexts | Welsh | Boy | — | |
| Morrys | Derived from Mauricius meaning 'dark-skinned' or 'Moorish'. | English, Welsh | Boy | — | |
| Morvinn | Likely 'sea friend' or 'great friend' (from mor = sea/large + vinn = friend) | Welsh | Boy | — | |
| Morvran | Sea raven (from mor 'sea' + bran/vran 'raven') | Breton, Welsh | Boy | — | |
| Morvudd | Likely 'sea-blessed' (from Welsh mor 'sea' + budd 'benefit/blessing') | Welsh | Girl | — | |
| Morvyn | Likely Celtic in origin - possibly 'sea maiden' from Welsh morwyn, or a variant of Mervyn/Merfyn with senses like 'eminent' or ties to 'sea/sea hill'. | English, Scottish Gaelic, Welsh | Unisex | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.
