Feminine dossier · first seen 1985
Kailynn
Stable Decline
Gradual decline from 2011
Peak era
2011
Peak births
290
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Kailynn
How many people are named Kailynn?
An estimated 4,673 living Americans are named Kailynn.
How rare is Kailynn?
Kailynn is uncommon among babies today, with 78 girls receiving the name in 2025, down 73.1% from its 2011 peak.
How old is the typical Kailynn?
The median age of a living American named Kailynn is approximately 15 years, with most bearers falling between 10 and 20 years old.
Is Kailynn still popular?
Not especially. Kailynn has been declining since its 2011 peak and registered 78 births in 2025.
Where is Kailynn most common?
Kailynn has its strongest geographic signal in Louisiana, where it appears 2.2× more often than the national baseline.
1985Peak 20112025
Peak year
2011
Decline from peak
73.1%
2025
78
All-time
4,732
Where it lives now
Kailynn is most concentrated in Louisiana — about 2.2× the national rate in the 2010s. It also runs high in Indiana.
States where Kailynn is given more often than the national average — its present-day heartland.