| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Mooreena | Possibly 'little Mary' (if from Maureen) or 'dark-haired/brunette' (if from Morena); generally a feminized/modern elaboration | Irish, Latin | Girl | — | |
| Mooreene | Diminutive of Mary; often interpreted as 'bitter' or 'beloved' (from the Hebrew roots of Miriam) | Irish | Girl | — | |
| Mor | Hebrew: 'myrrh' (fragrant resin); Irish: 'great'; Welsh: 'sea' (Môr) | Hebrew, Irish, Scottish Gaelic, Welsh | Unisex | — | |
| Morainah | Uncertain; could mean 'seen by God' (Moriah), 'great' (Irish Mórán), or 'brown/dark-haired' (Morena). | Irish, Slavic | Girl | — | |
| Morayna | Unclear; possibly 'dark-haired' (from Morena) or 'beloved' (from Gaelic roots) | Irish | Girl | — | |
| Morcan | From Old Welsh 'Morcant' - 'mor' (sea) + an element meaning 'circle' or 'chief'; often interpreted as 'sea-born' or 'sea chief'. | Irish, Welsh | Boy | — | |
| Moreen | Diminutive of Mary - commonly interpreted as 'bitter' or 'beloved' (Hebrew root); sometimes associated with Irish Muireann meaning 'sea-white'. | Irish | Girl | — | |
| Morie | Meaning varies by origin: diminutive/variant of Morris/Maurice (from Latin Mauritius, 'dark-skinned' / 'Moorish'); Japanese-related form from 'mori' meaning 'forest'; Hebrew 'mori' meaning 'my teacher'. | English, Hebrew, Irish, Japanese, Scottish | Unisex | — | |
| Morin | Multiple possible origins: Breton 'mor' (sea) + diminutive '-in' ('little sea' or 'of the sea'); Irish Ó Móráin ('descendant of Mórán', from mór 'great'); or French/Latin roots related to 'Moor' (dark-skinned). | Breton, French, Irish | Unisex | — | |
| Morinna | Likely from Irish 'Mór' ('great') with a diminutive ending - 'little great one' or 'beloved'; alternatively a form related to 'Marina' ('of the sea'). | Irish | Girl | — | |
| Morlea | Possibly 'great meadow' or 'great clearing' (inferred from roots); also used as a modern invented/pleasant-sounding name | Irish | Unisex | — | |
| Morna | Likely from Gaelic 'mór' ('great' or 'large') or an anglicized form of the personal name Mórán; broadly interpreted as 'great' or 'large'. | Irish, Scottish Gaelic | Girl | — | |
| Moryne | Uncertain; commonly interpreted as 'of the sea' or 'great' depending on root; often used as a modern feminine name. | Breton, English, Gaelic, Irish | Girl | — | |
| Moynah | A diminutive/variant form of Irish names (uncertain etymology); in Bengali it means 'myna' (the bird), often associated with beauty and song. | Bengali, Irish | Girl | — | |
| Muadhnait | From Old Irish muadh 'noble, good' with a diminutive ending - 'little noble' or 'noble-born' (approx.) | Gaelic, Irish | Girl | — | |
| Mugain | From Old Irish mug 'slave, servant' - roughly 'little servant' or 'servant-woman' | Irish | Girl | — | |
| Muira | Uncertain - likely 'of the sea' (from Gaelic 'muir') or a feminine form/variant of Máire/Moira (Mary); other indigenous roots possible. | Irish, Scottish Gaelic | Girl | — | |
| Muircheartaigh | Sea ruler (from muir 'sea' + ceartach 'ruler') | Irish | Boy | — | |
| Muirchertach | Mariner | Irish | Boy | — | |
| Muire | Irish form of Mary, traditionally reserved for the Virgin Mary; ultimately from Hebrew Miryam (often rendered 'beloved' or 'sea of bitterness') | Irish | Girl | — | |
| Muireagan | Diminutive of Muire (Mary) - "little Mary" | Irish, Scottish Gaelic | Girl | — | |
| Muirenn | Sea-born; 'belonging to the sea' (from muir 'sea' + suffix) | Irish, Irish (Gaelic) | Girl | — | |
| Muirgen | Sea-born (born of the sea) | Irish | Girl | — | |
| Muirgheal | Sea-bright | Irish | Girl | — | |
| Muirne | Beloved; affectionate (traditional: 'festive' or 'tender') | Irish | Girl | — | |
| Muirín | Diminutive of muir (‘sea’) - 'little sea' or 'of the sea' | Irish | Girl | — | |
| Mulconry | Descendant of the devotee/follower of Conaire (an Old Irish personal name) | Irish | Boy | — | |
| Mundee | Possibly 'world' or 'clean' (from Latin 'mundus') or a surname-derived given name; meaning not well-established | Irish | Unisex | — | |
| Mundey | Surname-derived name; specific meaning is uncertain. Generally used as a family name turned given name rather than a word with a clear lexical meaning. | English, Irish | Unisex | — | |
| Mundi | Likely 'of the world' (from Latin mundus). Also appears as a place name or surname in South Asia; usage as a given name is uncommon. | English, Irish, Latin | Unisex | — | |
| Munrow | From the River Roe / man of the Roe | Irish, Scottish | Unisex | — | |
| Murchad | Sea warrior (from Old Irish muir 'sea' + cath 'battle') | Irish | Boy | — | |
| Murel | "bright sea" (from Gaelic elements muir 'sea' + geal 'bright') | Irish, Scottish | Girl | — | |
| Murffi | Descendant of Murchadh - 'sea warrior' | Irish | Boy | — | |
| Murffy | From Gaelic Murchadh - 'sea-warrior' or 'descendant of Murchadh' | Irish | Unisex | — | |
| Murl | Likely 'sea‑bright' or 'sea‑chief' if from Gaelic roots; alternatively, if used as a short form of Murlidhar, 'flute‑bearer' (epithet of Krishna). Exact origin is rare/uncertain. | Gaelic, Indian, Irish | Boy | — | |
| Murna | Beloved, affectionate | Irish | Girl | — | |
| Murriel | Sea-bright (sea + bright/fair) | Irish, Scottish Gaelic | Girl | — | |
| Murtag | Mariner; sea warrior; sea ruler | Irish | Boy | — | |
| Murtagh | Sea warrior / mariner | Irish | Boy | — | |
| Murtogh | Sea ruler / mariner | Irish | Boy | — | |
| Muyr | Likely derived from Gaelic elements meaning 'sea' (muir) or related to Muireadhach 'lord/master'. | Irish, Scottish Gaelic | Boy | — | |
| Muyre | Uncertain; possibly 'sea' if linked to Gaelic muir, otherwise no established traditional meaning | Irish | Unisex | — | |
| Myler | Surname-based name likely meaning 'miller' or 'associated with a mill'; may also reflect variant family names | English, Irish | Boy | — | |
| Mynogan | Probably "little treasure" or "little wealthy one" (from Gaelic maoin = wealth/treasure) | Irish | Boy | — | |
| Myrnah | Beloved, tender | Irish | Girl | — | |
| Nailan | Possibly 'attainer, achiever' (Arabic) or a diminutive/variant of Niall meaning 'champion'/'cloud' (Gaelic). | Arabic, Gaelic, Irish, Persian | Unisex | — | |
| Naithin | From Gaelic Néithín, a diminutive form related to Nia - 'little champion' or 'young champion'. | Irish | Boy | — | |
| Nally | Likely 'descendant of Niall' (Niall often interpreted as 'champion' or 'passionate') or a diminutive form of Nell/Nellie ('bright, shining one'). | English, Irish | Unisex | — | |
| Naois | Associated with a legendary Ulster warrior; etymology uncertain | Irish | Boy | — |
Aggregated births across Ireland, United Kingdom, United States, Australia for every Irish-origin name in our dataset.
