An estimated 18,766 living Americans are named Kiley.
How rare is Kiley?
Kiley is uncommon among babies today, with 61 girls receiving the name in 2025, down 94.4% from its 2008 peak.
How old is the typical Kiley?
The median age of a living American named Kiley is approximately 22 years, with most bearers falling between 17 and 30 years old.
Is Kiley still popular?
No. Kiley is endangered as a baby name, down 94.4% from its 2008 peak with 61 births in 2025.
Where is Kiley most common?
Kiley has its strongest geographic signal in Nebraska, where it appears 8.6× more often than the national baseline.
1958Peak 20082025
Peak year
2008
Decline from peak
94.4%
2025
61
All-time
19,175
Diaspora map
Kiley spread fast — broke out in Iowa, Massachusetts, Missouri, Nebraska, Nevada, New Hampshire, Ohio, Oregon, and Wisconsin (2002) and ran high in 33 states within a decade.
Broke out: Iowa, Massachusetts, Missouri, Nebraska, Nevada, New Hampshire, Ohio, Oregon, and Wisconsin, 2002 · over-represented in 33 states over 6 years
