Feminine dossier · first seen 1912
Karolyn
Stable
Cross-generational persistence
Peak era
1946
Peak births
167
Current vitality
Rare
Peak generation
Boomer
Quick answers about Karolyn
How many people are named Karolyn?
An estimated 3,869 living Americans are named Karolyn.
How rare is Karolyn?
Karolyn is very rare among babies today, with 18 girls receiving the name in 2025, down 89.2% from its 1946 peak.
How old is the typical Karolyn?
The median age of a living American named Karolyn is approximately 52 years, with most bearers falling between 33 and 66 years old.
Is Karolyn still popular?
Yes. Karolyn is holding steady, with 18 births in 2025 and a consistent recent baseline.
Where is Karolyn most common?
Karolyn has its strongest geographic signal in Kansas, where it appears 5.3× more often than the national baseline.
1912Peak 19462025
Peak year
1946
Decline from peak
89.2%
2025
18
All-time
5,957
Where it lives now
Karolyn is most concentrated in Kansas — about 5.3× the national rate in the 1940s. It also runs high in Iowa and Oklahoma.
States where Karolyn is given more often than the national average — its present-day heartland.