Feminine dossier · first seen 1897
Kathlyn
Resurgent
Gaining cultural share
Peak era
1951
Peak births
125
Current vitality
Rare
Peak generation
Boomer
Quick answers about Kathlyn
How many people are named Kathlyn?
An estimated 2,790 living Americans are named Kathlyn.
How rare is Kathlyn?
Kathlyn is very rare among babies today, with 28 girls receiving the name in 2025, down 77.6% from its 1951 peak.
How old is the typical Kathlyn?
The median age of a living American named Kathlyn is approximately 43 years, with most bearers falling between 28 and 69 years old.
Is Kathlyn still popular?
Yes — Kathlyn is currently rising in popularity, with 28 births in 2025.
Where is Kathlyn most common?
Kathlyn has its strongest geographic signal in Illinois, where it appears 2.0× more often than the national baseline.
1897Peak 19512025
Peak year
1951
Decline from peak
77.6%
2025
28
All-time
5,156