Feminine dossier · first seen 1977
Kayley
Endangered
Down 90.2% from peak
Peak era
1999
Peak births
461
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Kayley
How many people are named Kayley?
An estimated 8,431 living Americans are named Kayley.
How rare is Kayley?
Kayley is very rare among babies today, with 45 girls receiving the name in 2025, down 90.2% from its 1999 peak.
How old is the typical Kayley?
The median age of a living American named Kayley is approximately 23 years, with most bearers falling between 17 and 28 years old.
Is Kayley still popular?
No. Kayley is endangered as a baby name, down 90.2% from its 1999 peak with 45 births in 2025.
Where is Kayley most common?
Kayley has its strongest geographic signal in Kentucky, where it appears 2.0× more often than the national baseline.
1977Peak 19992025
Peak year
1999
Decline from peak
90.2%
2025
45
All-time
8,586
Where it lives now
Kayley is most concentrated in Kentucky — about 2.0× the national rate in the 2000s. It also runs high in North Carolina and Alabama.
States where Kayley is given more often than the national average — its present-day heartland.