Girl Name · Irish Origin
Caitlyn
Last reviewed: June 2026
Considering Caitlyn? It is a girl name whose meaning is "Pure", rooted in Irish naming tradition, and ranks in our Rare popularity tier. Phonetically it shares territory with Caitlin.
Names like Caitlyn
Frequently asked about Caitlyn
What does the name Caitlyn mean?
Caitlyn means "Pure" and is of Irish origin.
What is the origin of Caitlyn?
Caitlyn originates in Irish naming tradition.
How do you pronounce Caitlyn?
Caitlyn has 7 letters and is most commonly stressed on the first syllable.
Is Caitlyn a boy's or girl's name?
Caitlyn is primarily used as a girl's name in US records.
How popular is Caitlyn in 2026?
In our 2026 popularity tracker, Caitlyn sits in the Rare tier — an uncommon, standout choice.
What names are similar to Caitlyn?
Names that share Caitlyn's sound and style include Caitlin, Cathleen, Cathlene, Catalina, Catlin.