Finnigan
How to say it: FIN-ih-gun · /ˈfɪnɪɡən/
Little fair one - from Irish surname O'Fionnagain; now used as first name in US.
Finnigan was the 480th most popular boys’ name in the United States in 2025, given to 50 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 26% in ten years, and it is projected to slip to #566 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #480 |
|---|---|
| Babies born in 2025 | 50 |
| Share of births | 1 in 5,355 |
| Peak decade | 2010s |
| Change over 10 years | −26% |
| Projected rank for 2030 (estimate) | #566 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Finnigan is a newcomer: almost all of its history is from the last forty years.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Finnigan is about under 1 in 200.
Around the world
This spelling is used in English, Irish.
Keep exploring
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