Finnegan
How to say it: FIN-uh-gun · /ˈfɪnəgən/
Irish surname from 'O Fionnagain', meaning 'descendant of Fionnagan', a diminutive of 'Fionn' meaning 'fair' or 'white'.
Finnegan was the 480th most popular boys’ name in the United States in 2025, given to 569 babies (Social Security Administration). The 2020s are its busiest decade so far, 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 | 569 |
| Share of births | 1 in 5,355 |
| Peak decade | 2020s |
| 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
A newcomer that reached its height in the 2020s, Finnegan belongs almost wholly to the last forty years. It holds at that height for now but is expected to ease down.
What goes with it
Breezy and lilting across three syllables, soft and breathy throughout. Sullivan matches its spirit, while Finn works as a short form.
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Finnegan is about under 1 in 200.
Around the world
This spelling is used in English, Irish.
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