An estimated 17,996 living Americans are named Katlyn.
How rare is Katlyn?
Katlyn is very rare among babies today, with 12 girls receiving the name in 2025, down 99% from its 1995 peak.
How old is the typical Katlyn?
The median age of a living American named Katlyn is approximately 29 years, with most bearers falling between 25 and 33 years old.
Is Katlyn still popular?
No. Katlyn is endangered as a baby name, down 99% from its 1995 peak with 12 births in 2025.
Where is Katlyn most common?
Katlyn has its strongest geographic signal in West Virginia, where it appears 4.6× more often than the national baseline.
1979Peak 19952025
Peak year
1995
Decline from peak
99%
2025
12
All-time
18,433
Diaspora map
Katlyn spread fast — broke out in Delaware, Indiana, Iowa, Kansas, Kentucky, Maine, Missouri, New Hampshire, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, and West Virginia (1990) and ran high in 34 states within a decade.
Broke out: Delaware, Indiana, Iowa, Kansas, Kentucky, Maine, Missouri, New Hampshire, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, and West Virginia, 1990 · over-represented in 34 states over 9 years
