Girl Name · Irish Origin
Caitlin
Last reviewed: June 2026
Caitlin is a girl baby name of Irish origin, meaning "Pure". It currently sits in the Top 1000 tier of US baby names for 2026, and parents who love Caitlin often also consider Catlin.
Names like Caitlin
Frequently asked about Caitlin
What does the name Caitlin mean?
Caitlin means "Pure" and is of Irish origin.
What is the origin of Caitlin?
Caitlin originates in Irish naming tradition.
How do you pronounce Caitlin?
Caitlin has 7 letters and is most commonly stressed on the first syllable.
Is Caitlin a boy's or girl's name?
Caitlin is primarily used as a girl's name in US records.
How popular is Caitlin in 2026?
In our 2026 popularity tracker, Caitlin sits in the Top 1000 tier — distinctive but not obscure.
What names are similar to Caitlin?
Names that share Caitlin's sound and style include Catlin, Caitlyn, Cathleen, Cathlene, Catalina.