Irish Names That Start with C

Updated September 2026

Names79

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Total Names79

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About this list

Here is our collection of Irish baby names starting with the letter C, ordered by their popularity on Nameberry.

Related Lists

International Baby Names Name Spellings, Initials and Sounds

The names

Showing 1–20 of 79

Connor
Irish
"lover of hounds"
Connor, the appealing name of an early semi-legendary king of Ulster in Irish mythology, sits firmly in the Top 100 and taken together with its alternate spellings would rank even higher. In its…
Callahan
Irish
"bright-headed"
Callahan, the simpler spelling of Callaghan, is a rhythmic jig of a name whose history harks back to the ancient King of Munster. In the Dirty Harry movies, the Clint Eastwood character is Harry…
Collins
Surname derived from Nicholas or Colin, Greek or Irish and Scottish
"people of victory or pup"
Collins is a surname name that has made the girls' Top 1000 thanks to its use for the daughter of the real-life Blind Side heroine. As of 2022, Collins climbed into the US Top 300. This derivation of…
Casey
Irish
"brave in battle"
Casey is a name with a big wide grin, Irish, friendly, and open, and associated with several American folk heroes--Casey Jones, the engine driver of the Cannonball Express who gave his life to save…
Cillian
Irish
"war strife or church"
Cillian is one of the native Irish names that, along with Aiden and Declan, is becoming an unlikely favorite in contemporary America. The Killian spelling has been more popular in the US, but…
Cassidy
Irish
"curly-haired"
Has fallen off its Kathie Lee Gifford inspired peak in the 1990s, but since that notably celebrity baby is now a grownup and out of the limelight, Cassidy may once again reclaim its own Irish charm.
Corey
Irish
"from the hollow"
Former teen idol name, now middle-aged. This name has been on a steady decline since the early-1990s.
Conor
Spelling variation of Connor, Irish
"lover of hounds"
Conor's more popular brother name Connor has been in the Top 100 for long enough that both are ready to make way for a new generation of Irish boys' names.
Caitlyn
Spelling variation of Caitlin
Caitlyn is following all variations on the Irish classic Caitlin down the US baby name charts, following decades of popular usage. The original Anglicized form Kathleen is now starting to feel…
Callister
Variation of Irish surname MacCallister
"son of Alister"
Can be used either with or without the addition of Mac.
Caitlin
Irish variation of Catherine
"pure"
An Irish and Welsh form of Catherine, Caitlin was a boom name of the eighties, rocketing from obscurity (Americans first heard it via the wife of doomed poet Dylan Thomas) to the height of popularity…
Caoimhe
Irish, Scottish
"beautiful"
Caoimhe, pronounced (more properly) kwee-va or kee-va, is a pretty and distinctive Gaelic name but one that could well lead to no end of confusion outside the Irish community. Even in its native…
Carbry
Irish
"charioteer"
A name scattered throughout Irish mythology with an intriguing sound, Carbry is one of the rare Irish names for boys virtually unknown in the US. Bry is the obvious, but lovely nickname option.
Carbry
Irish
"charioteer"
Male name from Irish mythology makes stylish-sounding choice for girls.
Calihan
Calihan is a modern masculine name with Irish and Gaelic roots. It likely derives from the surname Callahan (from Irish 'Ó Ceallacháin'), meaning 'descendant of Ceallachán,' where Ceallachán referred…
Callaghan
Irish
"lover of churches"
A classic Irish "top-o'-the-mornin' surname with a lot of rhythm and pizzazz.
Cait
Short form of Caitlin
"pure"
Cait, pronounced like more popular sister Kate, is the form used when shortening Caitlin or any of the other Irish and Gaelic Cait-starting variations of Catherine.
Caragh
Irish
"dear, beloved"
This Irish form of international favorite Cara is a new entry into Ireland's Top 100. But in the US last year, no babies were named Caragh. That final gh, though often silent in English as in might…
Carlin
Irish
"little champion"
Stronger and more contemporary twist on Carla or Carly, Carlin was used just about equally for girls and boys in the US last year.
Carlin
Irish
"little champion"
While the lin ending is more commonly found in girls' names, Carlin is an authentic Irish male choice and was used just about evenly for both sexes in the US last year.

Irish Names That Start with C

About this list

The names

Connor

Callahan

Collins

Casey

Cillian

Cassidy

Corey

Conor

Caitlyn

Callister

Caitlin

Caoimhe

Carbry

Carbry

Calihan

Callaghan

Cait

Caragh

Carlin

Carlin