Caitlin

girlIrishChristian

Caitlin is a Christian girl name of Irish, from Greek origin, meaning “Pure (via Katherine)”.

MeaningPure (via Katherine)
GenderGirl
OriginIrish, from Greek
PronunciationKAYT-lin
TraditionChristian, Modern & Classic
Used inIreland, United Kingdom, United States, Australia

Meaning and origin of Caitlin

Caitlin is an anglicised spelling of the Irish Caitlín, the Irish form of Catherine, which came through Old French Cateline. Catherine is traditionally linked to the Greek katharos, 'pure', though its true origin is uncertain. In Irish it is pronounced roughly 'KATCH-leen', but the English 'KAYT-lin' became popular in the 1980s and 1990s in English-speaking countries.

Is Caitlin a Christian name?

Through Catherine, Caitlin recalls Saint Catherine of Alexandria and Saint Catherine of Siena, though it is now used widely without religious meaning.

How popular is Caitlin?

Very popular in the 1990s in English-speaking countries, now less fashionable but widely recognised.

Gifts with the name Caitlin

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Spellings and variants of Caitlin

KaitlynKatelynCatriona

Names similar to Caitlin

More Christian girl names

Frequently asked questions

What does the name Caitlin mean?

Caitlin means 'Pure (via Katherine)'. It is of Irish, from Greek origin.

Is Caitlin a Christian name?

Through Catherine, Caitlin recalls Saint Catherine of Alexandria and Saint Catherine of Siena, though it is now used widely without religious meaning.

How do you pronounce Caitlin?

Caitlin is pronounced KAYT-lin.

Is Caitlin a boy or girl name?

Caitlin is usually a girl name.

Updated October 2026. Spotted a mistake? Tell us.