An estimated 12,888 living Americans are named Finnegan.
How rare is Finnegan?
Finnegan is moderately uncommon among babies today, with 569 boys receiving the name in 2025, down 33.8% from its 2021 peak.
How old is the typical Finnegan?
The median age of a living American named Finnegan is approximately 10 years, with most bearers falling between 5 and 15 years old.
Is Finnegan still popular?
Yes. Finnegan is holding steady, with 569 births in 2025 and a consistent recent baseline.
Where is Finnegan most common?
Finnegan has its strongest geographic signal in Maine, where it appears 7.1× more often than the national baseline.
1995Peak 20212025
Peak year
2021
Decline from peak
33.8%
2025
569
All-time
13,011
Diaspora map
Finnegan spread fast — broke out in Colorado, Connecticut, Delaware, Illinois, Iowa, Kansas, Maine, Massachusetts, Minnesota, Missouri, Nebraska, New Hampshire, Ohio, Oregon, Pennsylvania, Vermont, Washington, and Wisconsin (2015) and ran high in 31 states within a decade.
Broke out: Colorado, Connecticut, Delaware, Illinois, Iowa, Kansas, Maine, Massachusetts, Minnesota, Missouri, Nebraska, New Hampshire, Ohio, Oregon, Pennsylvania, Vermont, Washington, and Wisconsin, 2015 · over-represented in 31 states over 7 years