Baby Names of Ireland

Irish Boy Names A to C

53 Irish boy names starting with A, B or C, with what each one means and how to say it.

Updated September 2026

Browse by letter range: A to C, D to F, G to N, O to Z. See all Irish boy names, or Irish girl names.

The Irish boy names on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking.

  1. No. 9 boysCillian271 babies
  2. No. 33 boysCian142 babies
  3. No. 90 boysCathal64 babies
  4. No. 97 boysConall59 babies
  5. No. 132 boysCaolán41 babies
  6. No. 135 boysCúan40 babies
  7. No. 141 boysCormac38 babies
  8. No. 149 boysCiarán35 babies
  9. No. 232 boysConan20 babies
  10. No. 252 boysBrian18 babies

Irish boy names starting with A

Aedan

pronounced AID-an

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2024. Aedan means “born of fire.”

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Aengus

pronounced ENG-iss

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2013. Aengus means “excellent strength.”

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Aidan in Irish is Aedan, meaning “born of fire.” No. 82 for boys in Ireland in 2025, with 72 baby boys.

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Aiden in Irish is Aedan, meaning “born of fire.” No. 149 for boys in Ireland in 2025, with 35 baby boys.

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Ailbe

pronounced ALL-bay

No. 676 for boys in Ireland in 2025, with 4 baby boys. Ailbe means “white.”

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Ailill

pronounced ALL-yill

Rare in Ireland: fewer than three baby boys a year get the name. Ailill means “beauty.”

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Alby in Irish is Ailbe, meaning “white.” Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2024.

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Alroy

pronounced AL-roy

Rare in Ireland: fewer than three baby boys a year get the name. Alroy means “red-haired.”

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Ardan

pronounced ARE-dawn

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2016. Ardan means “high aspiration.”

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Art

pronounced ART

No. 329 for boys in Ireland in 2025, with 12 baby boys. Art means “champion.”

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Arthur in Irish is Art, meaning “champion.” No. 57 for boys in Ireland in 2025, with 95 baby boys.

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Irish boy names starting with B

Bairre in Irish is Finbar, meaning “fair-haired.” Rare in Ireland: fewer than three baby boys a year get the name.

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Barra in Irish is Finbar, meaning “fair-haired.” No. 170 for boys in Ireland in 2025, with 29 baby boys.

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Barry in Irish is Finbar, meaning “fair-haired.” No. 402 for boys in Ireland in 2025, with 9 baby boys.

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Bartley

pronounced BART-lee

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 1995. Bartley is the Irish form of Bartholomew.

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Bert in Irish is Bartley. Rare in Ireland: fewer than three baby boys a year get the name.

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Bradan

pronounced BRAY-dawn

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2021. Bradan means “salmon.”

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Braden in Irish is Bradan, meaning “salmon.” Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2016.

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Brandan in Irish is Breandan. Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2005.

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Breandan

pronounced BREN-dawn

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2018. Breandan is an Irish boy's name made famous by St. Breandan the Navigator.

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Brian

pronounced BREE-an

No. 252 for boys in Ireland in 2025, with 18 baby boys. Brian means “high, noble, strong.”

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Irish boy names starting with C

Cabhan

pronounced KAV-an

Rare in Ireland: fewer than three baby boys a year get the name. Cabhan means “hollow.”

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Canice

pronounced CAN-iss

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2015. Canice means “pleasant person.”

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Caolan

pronounced KEE-lawn

No. 132 for boys in Ireland in 2025, with 41 baby boys. Caolan means “slender one.”

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Carney

pronounced KAR-nee

Rare in Ireland: fewer than three baby boys a year get the name. Carney means “victorious.”

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Carrick

pronounced KAR-ik

Rare in Ireland: fewer than three baby boys a year get the name. Carrick means “rock.”

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Carroll in Irish is Cearul, meaning “sharp, cutting.” Not in Ireland's 2025 tables (fewer than three babies); last recorded in 1979.

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Cathal

pronounced KA-hal

No. 90 for boys in Ireland in 2025, with 64 baby boys. Cathal means “great warrior.”

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Cearul

pronounced KAR-ul

Rare in Ireland: fewer than three baby boys a year get the name. Cearul means “sharp, cutting.”

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Charles in Irish is Cathal, meaning “great warrior.” No. 188 for boys in Ireland in 2025, with 25 baby boys.

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Cian

pronounced KEY-in

No. 33 for boys in Ireland in 2025, with 142 baby boys. Cian means “ancient, enduring.”

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Ciaran

pronounced KEER-awn

No. 149 for boys in Ireland in 2025, with 35 baby boys. Ciaran means “little dark one.”

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Cillian

pronounced KIL-e-an

No. 9 for boys in Ireland in 2025, with 271 baby boys. Cillian means “associated with the church.”

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Clearie

pronounced KLEER-ee

Rare in Ireland: fewer than three baby boys a year get the name. Clearie means “clerk, cleric.”

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Clooney

pronounced KLOO-nee

Rare in Ireland: fewer than three baby boys a year get the name. Clooney comes from the Irish surname Ó Cluanaigh, “descendant of Cluanach,” a name meaning “beguiling.”

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Coilin

pronounced KOH-lin

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2018. Coilin means “whelp, pup.”

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Colin in Irish is Coilin, meaning “whelp, pup.” No. 348 for boys in Ireland in 2025, with 11 baby boys.

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Colm

pronounced KUL-um

No. 286 for boys in Ireland in 2025, with 15 baby boys. Colm means “dove.”

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Colman

pronounced KOL-man

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2023. Colman means “little dove.”

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Conall

pronounced KUN-al

No. 97 for boys in Ireland in 2025, with 59 baby boys. Conall means “mighty hound.”

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Conan

pronounced KO-nan

No. 232 for boys in Ireland in 2025, with 20 baby boys. Conan means “little warrior.”

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Conlaoch

pronounced KON-leekh

Rare in Ireland: fewer than three baby boys a year get the name. Conlaoch means “highest chief.”

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Connell in Irish is Conall, meaning “mighty hound.” No. 829 for boys in Ireland in 2025, with 3 baby boys.

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Connor in Irish is Conchobhar, meaning “lover of hounds.” No. 829 for boys in Ireland in 2025, with 3 baby boys.

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Conor in Irish is Conchobhar, meaning “lover of hounds.” No. 16 for boys in Ireland in 2025, with 211 baby boys.

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Cormac

pronounced KOR-mak

No. 141 for boys in Ireland in 2025, with 38 baby boys. Cormac means “son of the charioteer.”

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Craig in Irish is Carrick, meaning “rock.” Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2023.

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Cronan

pronounced KRO-nawn

Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2006. Cronan means “brown.”

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Cuan

pronounced KOO-an

No. 135 for boys in Ireland in 2025, with 40 baby boys. Cuan means “little hound.”

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Irish names by letter

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