Alphabetical List of Irish Names: M-N
Irish Surnames | A-B | C | D | E-G | H-J | K-L | Mac | M-N | O | P-R | S-W
Irish Roots Search Engine
| Name | Variants | In Irish | Location | Origin | Comments |
|---|---|---|---|---|---|
| Madden | O Madáin | Galway, Limerick, Longford, Offaly | Gaelic | Madáin means "small dog". | |
| Maguire | MacGuire, McGuire | MacUidhir | Fermanagh, Ulster | Gaelic | Uidhit means "pale colored". |
| Maher | Meaghar, Meagher. | O Meachair | Laois, Kilkenny, Tipperary. | Gaelic | Means "hospitable". |
| Mahony | Mahoney, O'Mahoney, O'Mahoney | Ó Mahúna | Cork | Gaelic | From the name Mathghamhan who was son a 10th century prince and Brian Boru's grandson. |
| Malone | Maloney | Ó Maoileoin | Offaly, widespread | Gaelic | Maoileoin means "servant of St. John". |
| Martin | Martyn, Kilmartin, Gilmartin | Ó Martain, MacGiolla Martain, MacMartain | Galway | Norman | One of the 14 Tribes of Galway. Said to be descended from Olyver Martin, a Norman Crusader. |
| Molloy | Millea, Mulloy | O Maolmhudaidh | Offaly, widespread. | Gaelic | Maolmhudaidh means "noble chief". |
| Monaghan | Minogue, Monahan, Monk | O Manacháin | Roscommon. | Manacháin means "monk", so "son of the monk". Mmm. | |
| Mooney | Meany, Meeney, Moony. | O Maonaigh | Offaly, Sligo, Ulster. | Gaelic | Maonaigh and mean both "wealthy" or "dumb (as in unable to speak)". |
| Moore | Ó Mórdha | Laois, widespread. | Gaelic | Mórdha means "noble". | |
| Moran | Murrin. | O Móráin, | Galway, Mayo | Gaelic | Móráin means "large, great". |
| Moriarty | Murdoch, Murtagh | O Muircheartaigh | Kerry | Gaelic | Means "expert navigator"; very common in the Dingle peninsula. |
| Morrissey | O Muirgheasa | Cork, Limerick, Sligo, Tipperary, Waterford. | Gaelic | ||
| Mulcahy | O Maol Chathaigh | Gaelic | Means "battle leader" | ||
| Mulhall | Mulcahill, Melville | Ó Maolchathail | Clare, Laois | Descendant of a follower of St. Cathal | |
| Mulrooney | Maelranaidh | Gaelic | |||
| Mulligan | Ó Maolagáin | Donegal, Mayo, Monaghan | Gaelic | ||
| Murphy | Ó Morchoe | Sligo, Tyrone, Wexford. Widespread | Gaelic | Means "sea warrior" . | |
| Murray | Ó Muireadhaigh | Gaelic | |||
| Neeson | McNeese | MacNaois | Ulster | Scots-Gaelic | Son of Naois |
| Nolan | Nowlan | O Nuaillain | Carlow, Kildare, West Cork. | Gaelic | Means "noble or famed". |
| Nugent | Westmeath | Norman | Derived from the name of French town of Nogent. |
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