An estimated 15,339 living Americans are named Kaelyn.
How rare is Kaelyn?
Kaelyn is uncommon among babies today, with 131 girls receiving the name in 2025, down 86.9% from its 2009 peak.
How old is the typical Kaelyn?
The median age of a living American named Kaelyn is approximately 18 years, with most bearers falling between 13 and 23 years old.
Is Kaelyn still popular?
Not especially. Kaelyn has been declining since its 2009 peak and registered 131 births in 2025.
Where is Kaelyn most common?
Kaelyn has its strongest geographic signal in South Carolina, where it appears 2.2× more often than the national baseline.
1959Peak 20092025
Peak year
2009
Decline from peak
86.9%
2025
131
All-time
15,566
Diaspora map
Kaelyn spread fast — broke out in Alabama, Hawaii, Minnesota, New Hampshire, Oklahoma, South Carolina, South Dakota, and Wisconsin (2006) and ran high in 30 states within a decade.
Broke out: Alabama, Hawaii, Minnesota, New Hampshire, Oklahoma, South Carolina, South Dakota, and Wisconsin, 2006 · over-represented in 30 states over 6 years
