An estimated 30,092 living Americans are named Katelynn.
How rare is Katelynn?
Katelynn is uncommon among babies today, with 63 girls receiving the name in 2025, down 95.7% from its 1998 peak.
How old is the typical Katelynn?
The median age of a living American named Katelynn is approximately 25 years, with most bearers falling between 18 and 30 years old.
Is Katelynn still popular?
No. Katelynn is endangered as a baby name, down 95.7% from its 1998 peak with 63 births in 2025.
Where is Katelynn most common?
Katelynn has its strongest geographic signal in West Virginia, where it appears 3.2× more often than the national baseline.
1979Peak 19982025
Peak year
1998
Decline from peak
95.7%
2025
63
All-time
30,680
Diaspora map
Katelynn broke out in Idaho, Indiana, Iowa, Maine, Massachusetts, Michigan, Nevada, New Hampshire, New Mexico, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Washington, and West Virginia (1991) and became over-represented in 37 states over 11 years.
Broke out: Idaho, Indiana, Iowa, Maine, Massachusetts, Michigan, Nevada, New Hampshire, New Mexico, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Washington, and West Virginia, 1991 · over-represented in 37 states over 11 years
