Feminine dossier · first seen 1947
Kaylynn
Stable Decline
Gradual decline from 2009
Peak era
2009
Peak births
590
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Kaylynn
How many people are named Kaylynn?
An estimated 12,004 living Americans are named Kaylynn.
How rare is Kaylynn?
Kaylynn is uncommon among babies today, with 134 girls receiving the name in 2025, down 77.3% from its 2009 peak.
How old is the typical Kaylynn?
The median age of a living American named Kaylynn is approximately 19 years, with most bearers falling between 13 and 27 years old.
Is Kaylynn still popular?
Not especially. Kaylynn has been declining since its 2009 peak and registered 134 births in 2025.
Where is Kaylynn most common?
Kaylynn has its strongest geographic signal in Indiana, where it appears 3.1× more often than the national baseline.
1947Peak 20092025
Peak year
2009
Decline from peak
77.3%
2025
134
All-time
12,252
Where it lives now
Kaylynn is most concentrated in Kentucky — about 3.0× the national rate in the 2010s.
States where Kaylynn is given more often than the national average — its present-day heartland.