An estimated 108,882 living Americans are named Caitlin.
How rare is Caitlin?
Caitlin is uncommon among babies today, with 78 girls receiving the name in 2025, down 98.9% from its 1988 peak.
How old is the typical Caitlin?
The median age of a living American named Caitlin is approximately 33 years, with most bearers falling between 26 and 37 years old.
Is Caitlin still popular?
No. Caitlin is endangered as a baby name, down 98.9% from its 1988 peak with 78 births in 2025.
Where is Caitlin most common?
Caitlin has its strongest geographic signal in Massachusetts, where it appears 10.1× more often than the national baseline.
1955Peak 19882025
Peak year
1988
Decline from peak
98.9%
2025
78
All-time
112,143
Diaspora map
Caitlin broke out in Alaska, Connecticut, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Oregon, Rhode Island, Vermont, and Washington (1981) and became over-represented in 31 states over 28 years.
Broke out: Alaska, Connecticut, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Oregon, Rhode Island, Vermont, and Washington, 1981 · over-represented in 31 states over 28 years