Caitlyn

Caitlyn: name meaning, origin and popularity

Girl nameIrish origin

Meaning and origin of Caitlyn

  • A female given name from Irish, one of the modern spelling variants of Caitlin.

How popular is Caitlyn?

71U.S. babies in 2025
#115peak rank (1998)
52,637babies since 1880

Since 1880, 52,603 girls and 34 boys in the U.S. have been named Caitlyn (100% girls). Its highest rank for girls was #115 in 1998. Its highest rank for boys was #6196 in 2004. In 2025, 71 babies were given the name, outside the top 1,000.

188019201960200020252,943 peak/yr
U.S. births per year with this name, 1880–2025 (SSA)

Names similar to Caitlyn

Names that start with the same letters, most popular first.

More Irish girl names

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Sibling name ideas for Caitlyn

Sister and brother names that share Caitlyn's Irish roots and are still in the U.S. top 1,000.

Caitlyn FAQ

What does the name Caitlyn mean?

A female given name from Irish, one of the modern spelling variants of Caitlin.

What is the origin of the name Caitlyn?

Caitlyn is listed as a name of Irish origin.

How popular is the name Caitlyn?

Since 1880, 52,603 girls and 34 boys in the U.S. have been named Caitlyn (100% girls). Its highest rank for girls was #115 in 1998. Its highest rank for boys was #6196 in 2004. In 2025, 71 babies were given the name, outside the top 1,000.

Is Caitlyn a boy or girl name?

Caitlyn is mostly a girl name in the U.S.: 52,603 girls and 34 boys since 1880.

Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.