1970Peak 19932025
Quick answers about Katelyn
How many people are named Katelyn?
An estimated 132,185 living Americans are named Katelyn.
How rare is Katelyn?
Katelyn is uncommon among babies today, with 225 girls receiving the name in 2025, down 96.2% from its 1993 peak.
How old is the typical Katelyn?
The median age of a living American named Katelyn is approximately 27 years, with most bearers falling between 20 and 33 years old.
Is Katelyn still popular?
No. Katelyn is endangered as a baby name, down 96.2% from its 1993 peak with 225 births in 2025.
Diaspora map
Katelyn broke out in Massachusetts and Pennsylvania (1983) and became over-represented in 35 states over 27 years.
Broke out: Massachusetts and Pennsylvania, 1983 · over-represented in 35 states over 27 years
Origin
≤5 yrs
≤15 yrs
16+ yrs
No breakout
