Caitlyn

A respelling of the Irish Caitlín, which came from Cateline, the Old French form of Katherine. Katherine itself goes back to the Greek Aikaterine.

Caitlyn in 2025

Caitlyn was given to 71 babies in the United States in 2025, making it the 4,438th most popular name of the year. That is roughly one in every 46,695 babies born.

The history of Caitlyn

Caitlyn reached its highest point in 1998, when 2,943 babies were given the name, ranking 246th that year.

Across the 58 years of records since 1968, 52,637 babies have been named Caitlyn. Half of them were born before 1999, which places the name's centre of gravity with Generation Z.

Caitlyn by decade

DecadeBabies named CaitlynBest rank
1960s510,304
1970s716,317
1980s4,483443
1990s22,003246
2000s19,794261
2010s5,652613
2020s6292,964

Where Caitlyn is heading

Caitlyn has fallen 86% over the past decade, from 494 babies in 2015 to 71 in 2025.

That is less than 5% of its 1998 peak — Caitlyn is now a rare name in the United States.

Names like Caitlyn

Names that rose and fell at the same time as Caitlyn.

Browse the most popular baby names