| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Bríghid | Exalted one; strength, power, virtue | Irish | Girl | — | |
| Byrke | Either 'of the de Burgh/Burke family' (associated with a fortified place) or 'birch' (the tree), depending on origin | Germanic, Irish, Norman, Scandinavian | Unisex | — | |
| Byrne | Descendant of Bran - Bran means 'raven' | Irish | Unisex | — | |
| Byrnes | Descendant of Bran; 'Bran' means 'raven'. | Irish | Unisex | — | |
| Béhan | Little bee | Irish | Boy | — | |
| Caalen | From Gaelic 'caol' meaning 'slender' or 'narrow' - 'little slender one' | Irish | Boy | — | |
| Caaran | From Irish 'ciar' (dark) with diminutive '-án' - 'little dark one' or 'little dark-haired one'. | Irish | Boy | — | |
| Cacy | Vigilant, watchful | Irish | Unisex | — | |
| Cadhlaoich | Probably 'beautiful/comely warrior' or 'comely hero' (Cadhla = 'beautiful/comely'; laoich = 'of the hero/warrior') | Irish | Girl | — | |
| cadin | From the Celtic root 'cad' meaning 'battle' - commonly rendered as 'little battle' or 'young fighter'. | English, Gaelic, Irish, Welsh | Boy | — | |
| Caecey | Vigilant, watchful | Irish | Unisex | — | |
| Caelana | Derived from Gaelic 'caol' meaning 'slender, narrow' - 'slender one' | Gaelic, Irish | Girl | — | |
| Caeleen | Little girl (diminutive) | Gaelic, Irish | Girl | — | |
| Caeleenah | Likely from Irish 'Cailín' meaning 'little girl' or related to Latin 'Caelina' meaning 'heavenly/of the sky'. | Irish, Latin | Girl | — | |
| Caelei | Likely from Gaelic 'Cael' meaning 'slender' or a modern respelling related to Latin 'caeli' (heaven/sky); used as a contemporary given name. | English, Gaelic, Irish, Latin | Unisex | — | |
| Caelenah | Generally interpreted as a feminine elaboration meaning 'slender' (from Gaelic Caelan) or 'heavenly/sky' (from Latin cael-) | English, Irish | Girl | — | |
| Caelinah | Likely 'heavenly' (Latin cael-) or 'slender' (Gaelic Caelan) | Irish | Girl | — | |
| Caeline | Likely 'slender' or 'fair'; sometimes associated with 'heavenly' if linked to Céline | Gaelic, Irish | Girl | — | |
| Caell | Slender, narrow | Irish | Boy | — | |
| Caelyna | Generally interpreted as 'heavenly' or a modern melodic variant; sometimes associated with 'slender' or the flower 'viburnum' (Kalina) | English, Gaelic, Irish | Girl | — | |
| Caetlene | Pure | Irish | Girl | — | |
| Caetlin | Pure | Irish | Girl | — | |
| Caetlyne | Pure | Irish | Girl | — | |
| Cafall | Name of a legendary hound (traditionally St. Patrick's hound) | Irish | Boy | — | |
| Caffline | Likely 'slender' or 'fair' (from Gaelic elements meaning slender/fair) | Irish | Girl | — | |
| Cafflyn | Uncertain - likely a modern variant of Caitlyn/Katherine, carrying the sense of 'pure' (from Katherine) or simply a created name combining 'Caff' + '-lyn'. | Irish | Girl | — | |
| Cahalen | Likely from Gaelic Caolán 'slender, narrow' or from Cathalán (diminutive of Cathal) 'little battle‑mighty'. | Irish | Boy | — | |
| Cahil | From Irish Cathal meaning 'battle-mighty' or 'powerful in battle' (note: Turkish 'cahil' means 'ignorant'). | Irish | Boy | — | |
| Cahill | Descendant of Cathal; Cathal = 'battle' + 'mighty' → 'battle-mighty' or 'powerful in battle' | Irish | Boy | — | |
| Cahleigh | From Gaelic Cadhla, generally interpreted as "beautiful, comely, graceful" | Irish | Girl | — | |
| Cahly | Uncertain; possibly 'beautiful' (if from Callie/Calista) or linked to 'battle/strife' (if from Cahill). Generally interpreted as a modern given name with connotations of beauty or strength. | Irish | Unisex | — | |
| Caicey | Vigilant, watchful (also interpreted as brave in battle) | Irish | Unisex | — | |
| Caici | Vigilant, watchful | English, Irish | Unisex | — | |
| Caicy | Vigilant, watchful; brave in battle | English, Irish | Girl | — | |
| caidyn | Little battle / descendant of Cadán (fighter) | English, Irish | Boy | — | |
| Cail | Slender, narrow | Irish | Boy | — | |
| Caileenah | From Irish cailín 'girl'; also connected to Caitlín/Catherine meaning 'pure'. | Gaelic, Irish | Girl | — | |
| Caileene | Likely 'little girl' (from Irish cailín) or by association a form of Kathleen/Caitlín meaning 'pure'. | English, Irish | Girl | — | |
| Caili | Likely from Irish cailín meaning "girl" or "little girl"; also used as a modern name related to Kaylee | Irish | Girl | — | |
| Cailine | From the Irish word cailín, meaning "girl" or "little girl". | Irish | Girl | — | |
| Caill | Probably "slender, narrow" - likely related to Irish caol ('slender, thin') | Gaelic, Irish | Unisex | — | |
| Cailly | Likely 'little girl' (from Irish cailín); also used as a modern phonetic variant of Kaylee/Cailey | English, French, Irish | Girl | — | |
| Cailon | Slender, narrow | Irish | Boy | — | |
| Cainneach | Handsome, comely; gentle | Irish | Boy | — | |
| Cairan | Little dark one (little dark- or black-haired one) | Irish | Boy | — | |
| Cairbre | Traditionally interpreted as "charioteer" or "chariot warrior" | Irish | Boy | — | |
| Caireen | Diminutive of Ciara - 'little dark-haired one' or 'little dark one' | Irish | Girl | — | |
| Cairine | Little dark one; dark-haired | Irish, Scottish Gaelic | Girl | — | |
| Cairinne | Uncertain - an Old Irish feminine name; sometimes associated with 'beloved' via Carina or interpreted as 'little beloved' in later usage | Irish | Girl | — | |
| Caiseal | Castle, stone fort | Irish | Boy | — |
Aggregated births across Ireland, United Kingdom, United States, Australia for every Irish-origin name in our dataset.
