| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Lonyn | Likely derived from Irish Lonán meaning "little blackbird"; alternatively a modern respelling with lion/Leon associations | Irish | Unisex | — | |
| Lorcon | Little fierce one | Irish | Boy | — | |
| Lough | Derived from the Gaelic/Scots word for 'lake' (literally 'lake' or 'from the lake'). | English, Irish, Scottish Gaelic | Unisex | — | |
| Loughlainn | From the land of lakes; originally used for Norsemen/Vikings | Irish | Boy | — | |
| Loughlan | Viking; from the land of lakes | Irish | Boy | — | |
| Loughlin | Descendant of Lochlann; 'Lochlann' historically referred to the Norse/Viking lands or literally 'land of lakes' | Irish | Boy | — | |
| lowery | Anglicized Irish surname meaning 'descendant of Labhraí' (from Irish labhra 'speech' - 'speaker' or 'talkative one'); used as a given name. | Irish | Unisex | — | |
| Lowree | Probably a variant of Lowry/Lowrey or Laurie; associated meanings include 'laurel' (via Laura/Laurence) or as a form of the Irish/Scottish surname Lowry. | English, Irish | Girl | — | |
| Lowrie | From Laurentum; 'laurel-crowned' or 'man from Laurentum' | English, Irish, Scottish | Boy | — | |
| Lug | Associated with the Celtic god Lugh; commonly interpreted as 'light' or 'bright.' | Celtic, Irish | Boy | — | |
| Lugaid | Associated with the god Lugh; possibly related to 'light' or an 'oath' - exact meaning is uncertain | Irish | Boy | — | |
| Lugaidh | Associated with the god Lugh; conveys ideas of 'light', 'brightness' or 'skill' (i.e., 'of/related to Lugh') | Irish, Scottish Gaelic | Boy | — | |
| Lughaid | Of Lugh; associated with the god Lugh - 'light/brightness' and skill | Gaelic, Irish | Boy | — | |
| Lughaidhe | Associated with Lugh - 'light' or 'brightness'; often rendered as 'descendant of Lugh' or 'famous/skilled one'. | Irish, Scottish Gaelic | Boy | — | |
| Luighseach | Obscure/uncertain - etymology not well attested. Possibly derived from Irish elements (e.g., luigh 'to lie') or an old byname; no widely agreed single meaning. | Irish | Girl | — | |
| Lynch | Descendant of Loingseach, 'seafarer' or 'mariner' | Irish | Unisex | — | |
| Lóegaire | Calf herder | Irish | Boy | — | |
| Lú | Monosyllabic diminutive or standalone name. In Irish linked to the god Lugh meaning 'light' or 'brightness'; in Romance languages a short form of names beginning with 'Lu'; in Chinese 'Lú' is a surname (various characters). | Chinese, English, Irish, Portuguese, Roman, Spanish | Unisex | — | |
| Macalla | Echo | Irish | Unisex | — | |
| Macallah | Likely 'son of Allan/Alan' (patronymic); alternatively associated with Gaelic 'macalla' meaning 'echo'. Exact origin uncertain. | Irish, Scottish | Boy | — | |
| Macartan | Son of Artán; Artán is a diminutive of Art meaning 'bear' or 'hero' - essentially 'son of little Art'. | Irish | Boy | — | |
| Macaulee | Son of Amhlaoibh (a Gaelic form of the Norse name Olaf) - 'son of Olaf' | Irish, Scottish | Boy | — | |
| Macauliffe | Son of Amhlaoibh (the Gaelic form of Olaf) | Irish | Boy | — | |
| Macbryd | ‘Son of Bríd/Brigid’ - son of the exalted one; tied to notions of strength or eminence | Irish, Scottish Gaelic | Boy | — | |
| Macbryde | Son of Brigid/Brighid (Bridget) - 'son of the exalted/strong one' | Irish, Scottish | Boy | — | |
| Maccoi | Son of Aodh (Aodh = 'fire' or 'fiery', often anglicized as Hugh) | Irish, Scottish | Boy | — | |
| Maccormack | Son of Cormac (Cormac commonly interpreted as 'charioteer' or associated with 'raven') | Irish, Scottish Gaelic | Boy | — | |
| Macdaragh | Son of Dáire (Dáire = 'fruitful' or associated with 'oak') | Irish | Boy | — | |
| Macghee | Son of Aodh - descendant of Aodh; Aodh means 'fire' and is often Anglicized as Hugh | Irish, Scottish Gaelic | Boy | — | |
| Macguire | Son of Odhar ('dun-colored' or 'brown') | Irish | Boy | — | |
| Macguyre | Son of Odhar (the dun- or pale-coloured one) | Irish | Boy | — | |
| Machara | Unknown; if Gaelic-derived, may imply 'descendant of Harra/Carra' but no established meaning is documented | Irish | Unisex | — | |
| Macka | Diminutive/pet form of 'Mac' - from Gaelic 'mac' meaning 'son of'; often used as 'little Mac' or a familiar nickname | English, Irish | Unisex | — | |
| Mackauleigh | Variant of Macaulay: 'son of Amhlaidh' (from Old Norse/Gaelic lineage, often rendered 'son of Olaf') | Irish, Scottish | Unisex | — | |
| Mackbryde | Son of Brigid/Bridget - descendant of Brigid, 'the exalted/strong one'. | Irish, Scottish | Unisex | — | |
| Macken | Patronymic: 'son of Mack' (i.e., 'son of' + a personal name element); surname-turned-first-name | English, Irish, Scottish | Boy | — | |
| Mackenah | Descendant of Cionnaith; often interpreted as 'descendant of the beloved' or linked to 'born of fire' in some traditions | Irish, Scottish Gaelic | Girl | — | |
| Mackinnley | Son of Finlay - 'son/descendant of the fair-haired warrior' or 'fair hero' | Irish | Unisex | — | |
| Macknayr | Likely "son of the heir" or "son of Nair" (derived from the McNair surname) | Irish, Scottish | Boy | — | |
| Mackynleigh | A modern blend typically interpreted as 'son of the meadow' or 'from the clearing' | English, Irish | Unisex | — | |
| MaClay | Son of Clay | Irish, Scottish | Boy | — | |
| Macmaureadhaigh | Son of Maureadhaigh (a Gaelic personal name; possibly related to Maurice/Muiris) | Irish | Boy | — | |
| Maddan | Irish: from Madán/Ó Madáin (often rendered 'descendant of Madán' - sometimes associated with 'little dog'); Sanskrit: Madan = god of love, meaning 'love' or 'passion'. | Gaelic, Indian, Irish, Sanskrit, Welsh | Boy | — | |
| Maddin | Likely 'descendant of Madán' (Madán = 'little dog' in Irish); alternatively a diminutive/variant of Madeline or Madison. | English, Irish | Unisex | — | |
| Madra | Dog, hound - symbolically 'loyal, protective' | Irish | Unisex | — | |
| Maeghin | Derived from Meghan/Megan - 'pearl' (diminutive of Margaret) | Irish | Girl | — | |
| Mael Donnchadh | Servant/devotee (tonsured follower) of Donnchadh (Duncan) - i.e., 'servant of the brown-haired/chieftain'. | Gaelic, Irish | Boy | — | |
| Mael Donnchadha | Servant or devotee of Donnchadh (Duncan) - 'servant of the brown warrior' | Irish, Irish (Gaelic) | Boy | — | |
| Maelcoluim | Servant or devotee of St. Columba (Colum) | Irish, Scottish Gaelic | Boy | — | |
| Maelisa | Devotee/servant of Jesus (theophoric: Máel = devotee/tonsured one, Íosa = Jesus) | Gaelic, Irish | Boy | — |
Aggregated births across Ireland, United Kingdom, United States, Australia for every Irish-origin name in our dataset.
