An estimated 17,053 living Americans are named Kieran.
How rare is Kieran?
Kieran is moderately uncommon among babies today, with 817 boys receiving the name in 2025, matching its recorded peak.
How old is the typical Kieran?
The median age of a living American named Kieran is approximately 15 years, with most bearers falling between 7 and 25 years old.
Is Kieran still popular?
Yes. Kieran is holding steady, with 817 births in 2025 and a consistent recent baseline.
Where is Kieran most common?
Kieran has its strongest geographic signal in New York, where it appears 5.4× more often than the national baseline.
1918Peak 20252025
Peak year
2025
Decline from peak
0%
2025
817
All-time
17,613
Diaspora map
Kieran spread fast — broke out in Colorado, Connecticut, Maryland, Massachusetts, Minnesota, New Jersey, Oregon, Pennsylvania, Virginia, Washington, and West Virginia (2022) and ran high in 20 states within a decade.
Broke out: Colorado, Connecticut, Maryland, Massachusetts, Minnesota, New Jersey, Oregon, Pennsylvania, Virginia, Washington, and West Virginia, 2022 · over-represented in 20 states over 2 years
