Irish (Gaelic) given names draw on early medieval and mythological sources as well as Christian naming. Common structures include diminutive endings such as -án (Ciarán, Rónán) and -ín (Gráinne sometimes as Gráínne in older forms, but -ín appears in hypocoristics), and elements meaning “fair,” “dark,” or “gentle” (Fionn “fair,” Ciarán “little dark one,” Caoimhe “gentle/beautiful”). Orthography features digraphs like bh and mh (often pronounced v or w), dh and gh (lenited, often a soft or silent sound), ch (voiceless velar fricative), and the long-vowel fada marks á, é, í, ó, ú. The vowel group ao is typically pronounced close to ee.
Historical patterns include strong influence from saints’ names (Seán, Pádraig, Bríd/Muireann variants) alongside mythic names (Niamh, Oisín, Fionn). Surnames traditionally use patronymic prefixes Ó and Mac/Mc; feminine forms in Irish employ Ní and Nic. Anglicization produced widely used forms like Sean, Patrick, and Bridget; contemporary usage in Ireland shows renewed preference for Irish spellings and pronunciation, though both Irish and Anglicized forms remain common at home and in the diaspora.
| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Finley | Fair-haired hero/warrior | Irish (Gaelic), Scottish | Unisex | 42,948 #1 | |
| Rylee | Originally 'descendant of Raghallach'; commonly rendered as 'courageous' or 'valiant' | Irish (Gaelic) | Unisex | 25,373 #2 | |
| Kyla | From Gaelic 'caol' meaning 'narrow' or 'slender; from the narrows/strait' | Irish (Gaelic), Scottish | Girl | 6,078 #3 | |
| Mckinley | Son of Finlay; 'son of the fair warrior' or 'son of the fair-haired hero' | Irish, Irish (Gaelic), Scottish | Unisex | 5,716 #4 | |
| Roy | Commonly "king" (Old French); also associated with "red" or "red-haired" (Gaelic). | French, Irish (Gaelic), Scottish | Boy | 4,865 #5 | |
| Blaine | Likely 'yellow' or 'blond' (from Bláán); alternatively associated with 'top' or 'summit' (Welsh blaen) | Irish (Gaelic), Scottish | Boy | 2,562 #6 | |
| Seamus | Supplanter | Irish, Irish (Gaelic) | Boy | 1,583 #7 | |
| Finlee | Fair-haired warrior or hero | Irish (Gaelic), Scottish | Unisex | 949 #8 | |
| Blayne | Likely 'yellow' or 'yellow-haired' (Gaelic origin; exact etymology uncertain) | Irish (Gaelic), Scottish | Boy | 656 #9 | |
| Cayla | Usually treated as a modern variant of Kayla; meanings attributed include "crown/laurel" (Hebrew kelilah) or "beautiful/slender" (Irish Cadhla). | English, Hebrew, Irish (Gaelic) | Girl | 546 #10 | |
| Rorie | Red king; 'red-haired king' (from Gaelic ruadh 'red' + rí 'king') | Irish (Gaelic), Scottish | Boy | 477 #11 | |
| Morrigan | From Old Irish mórrígan, commonly interpreted as 'great queen' (also rendered 'phantom/terror queen'); name of a war/sovereignty goddess in Irish mythology. | Irish, Irish (Gaelic) | Girl | 428 #12 | |
| Kacee | Vigilant, watchful | Irish (Gaelic) | Unisex | 296 #13 | |
| Maclin | Derived from 'Mac' meaning 'son of' - likely an anglicized form of a surname (e.g., Macklin/MacLean); broadly 'son of …' | Irish (Gaelic), Scottish | Boy | 274 #14 | |
| Mackinley | Son of Finlay (son of the fair or fair-haired hero) | Irish (Gaelic), Scottish | Unisex | 233 #15 | |
| Finnleigh | Fair-haired hero / fair warrior | Irish (Gaelic), Scottish | Unisex | 184 #16 | |
| Kelyn | Probably 'slender, narrow' (from Irish Caolán); used as a modern given name with similar sense | English, Irish (Gaelic) | Unisex | 102 #17 | |
| Murron | Derived from Gaelic roots, likely meaning "sea‑born" or "belonging to the sea" (related to Muireann/Muirne) | Irish (Gaelic), Scottish | Girl | 87 #18 | |
| Rhona | Likely from Gaelic rón 'seal' (related to Rónán, 'little seal') or as a variant of Hebrew Rona meaning 'song' or 'joy'. | Irish (Gaelic), Scottish | Girl | 74 #19 | |
| Kerian | Little dark one | Irish (Gaelic) | Boy | 63 #20 | |
| Kawan | In Malay/Indonesian: "friend"; in Irish Gaelic contexts: related to Caomhán meaning "little beloved/gentle." | Arabic, Indonesian, Irish (Gaelic), Malay, Persian | Unisex | 56 #21 | |
| Ferguson | Son of Fergus - Fergus means 'man of vigor/strength' | Irish (Gaelic), Scottish | Boy | 53 #22 | |
| Kasidy | Descendant of Caiside; often interpreted as 'curly-haired' or 'clever' | Irish (Gaelic) | Unisex | 52 #23 | |
| Dalan | Varies by origin - Irish Dallán: 'little blind one' (dall = 'blind' + diminutive -án); Persian/South Asian dalān: 'gallery, corridor, porch'. | English, Irish (Gaelic), Persian | Boy | 45 #24 | |
| Gavan | Likely 'white hawk' (from Gawain); Irish forms can be linked to 'Gabhán' meaning 'little smith' | Irish (Gaelic), Scottish | Boy | 43 #25 | |
| Bridie | Diminutive of Brigid/Bridget, meaning 'exalted one' or 'power/strength'. | Irish (Gaelic) | Girl | 41 #26 | |
| Eann | God is gracious (via John); alternatively 'bird' in Irish | Irish (Gaelic), Scottish | Boy | 33 #27 | |
| Mcclane | Son of the servant/devotee of (Saint) John | Irish (Gaelic), Scottish | Boy | 25 #28 | |
| Auley | From Old Norse meaning roughly "ancestor's relic" or "heir/descendant" | Irish (Gaelic), Scottish | Boy | 23 #29 | |
| Rennan | Little seal (diminutive of rón, 'seal') | Irish (Gaelic) | Boy | 15 #30 | |
| Saile | Sea; of the sea (alternate/related meaning: willow) | Irish (Gaelic) | Girl | 10 #31 | |
| aidyn | Little fire (Irish origin); alternatively 'enlightened/bright' in Turkic | Irish (Gaelic) | Boy | — | |
| Aindrea | Manly, masculine; brave | Irish (Gaelic), Scottish | Boy | — | |
| Amhlaoibh | Heir/descendant of the ancestors | Irish (Gaelic) | Boy | — | |
| Aodhnaid | Little fire (diminutive of Aed, 'fire') | Irish, Irish (Gaelic) | Girl | — | |
| Ardmoar | 'ard' = height/high; 'mór' = great/large → 'great height' / 'high great hill/headland' | Irish (Gaelic), Scottish Gaelic | Unisex | — | |
| Bairbre | Foreign, stranger | Irish (Gaelic) | Girl | — | |
| Beill | Unclear. Possible associations: Gaelic béal/beul 'mouth', English 'bell', German Beil 'axe/hatchet', or a diminutive/variant of William ('Bill'). | English, Irish (Gaelic) | Unisex | — | |
| Bheathain | Life (diminutive: 'little life') | Irish (Gaelic), Scottish Gaelic | Boy | — | |
| Biadhaiche | Cook, feeder, food-provider (occupational) | Irish (Gaelic), Scottish Gaelic | Boy | — | |
| Blathma | Flower, blossom (diminutive: 'little flower') | Irish, Irish (Gaelic) | Girl | — | |
| Bothan | Little hut; small dwelling | Irish (Gaelic) | Boy | — | |
| Brathach | Possibly derived from Gaelic 'brath' meaning 'judgment' or 'doom' - roughly 'judgment' or 'one of judgment'. | Irish (Gaelic), Scottish Gaelic | Boy | — | |
| Brydgetta | Exalted one; strength, power | Irish (Gaelic) | Girl | — | |
| Buidhe | Yellow; fair‑haired; blond | Irish (Gaelic), Scottish Gaelic | Unisex | — | |
| Cadhlas | Possibly 'beautiful' or 'graceful' - meaning inferred from Cadhla; exact meaning for Cadhlas is uncertain | Irish (Gaelic), Scottish Gaelic | Boy | — | |
| Caeleana | Likely a feminine form of Caelan - 'slender' (Irish) - or influenced by Latin cael- meaning 'heavenly'; used as a modern invented/variant name. | Irish (Gaelic), Latin | Girl | — | |
| Caitlinn | Pure | Irish (Gaelic) | Girl | — | |
| Caitríne | "pure" (from Greek katharos) | Irish (Gaelic) | Girl | — | |
| Caladh | Harbour, landing place; quay | Irish (Gaelic), Scottish Gaelic | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Irish (Gaelic)-origin name in our dataset.
