An estimated 163,297 living Americans are named Kaitlyn.
How rare is Kaitlyn?
Kaitlyn is uncommon among babies today, with 340 girls receiving the name in 2025, down 96.1% from its 2000 peak.
How old is the typical Kaitlyn?
The median age of a living American named Kaitlyn is approximately 26 years, with most bearers falling between 20 and 31 years old.
Is Kaitlyn still popular?
No. Kaitlyn is endangered as a baby name, down 96.1% from its 2000 peak with 340 births in 2025.
Where is Kaitlyn most common?
Kaitlyn has its strongest geographic signal in Massachusetts, where it appears 3.9× more often than the national baseline.
1971Peak 20002025
Peak year
2000
Decline from peak
96.1%
2025
340
All-time
166,689
Diaspora map
Kaitlyn broke out in Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Washington (1985) and became over-represented in 33 states over 35 years.
Broke out: Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Washington, 1985 · over-represented in 33 states over 35 years