An estimated 26,785 living Americans are named Kailey.
How rare is Kailey?
Kailey is uncommon among babies today, with 153 girls receiving the name in 2025, down 89.4% from its 2004 peak.
How old is the typical Kailey?
The median age of a living American named Kailey is approximately 22 years, with most bearers falling between 16 and 27 years old.
Is Kailey still popular?
Not especially. Kailey has been declining since its 2004 peak and registered 153 births in 2025.
Where is Kailey most common?
Kailey has its strongest geographic signal in Hawaii, where it appears 3.0× more often than the national baseline.
1970Peak 20042025
Peak year
2004
Decline from peak
89.4%
2025
153
All-time
27,244
Diaspora map
Kailey broke out in Arkansas, Colorado, Hawaii, Illinois, Iowa, Kansas, Minnesota, Oregon, Utah, and Wisconsin (1996) and became over-represented in 38 states over 16 years.
Broke out: Arkansas, Colorado, Hawaii, Illinois, Iowa, Kansas, Minnesota, Oregon, Utah, and Wisconsin, 1996 · over-represented in 38 states over 16 years
