An estimated 51,494 living Americans are named Caitlyn.
How rare is Caitlyn?
Caitlyn is uncommon among babies today, with 71 girls receiving the name in 2025, down 97.6% from its 1998 peak.
How old is the typical Caitlyn?
The median age of a living American named Caitlyn is approximately 27 years, with most bearers falling between 21 and 32 years old.
Is Caitlyn still popular?
No. Caitlyn is endangered as a baby name, down 97.6% from its 1998 peak with 71 births in 2025.
Where is Caitlyn most common?
Caitlyn has its strongest geographic signal in New Hampshire, where it appears 4.6× more often than the national baseline.
1968Peak 19982025
Peak year
1998
Decline from peak
97.6%
2025
71
All-time
52,603
Diaspora map
Caitlyn broke out in Delaware, Maine, Maryland, Massachusetts, Montana, New Hampshire, New Jersey, Oregon, Pennsylvania, Rhode Island, and Vermont (1988) and became over-represented in 36 states over 23 years.
Broke out: Delaware, Maine, Maryland, Massachusetts, Montana, New Hampshire, New Jersey, Oregon, Pennsylvania, Rhode Island, and Vermont, 1988 · over-represented in 36 states over 23 years