Fionn
A boys’ name of Irish origin, meaning white, fair, bright.
Babies a year
55
England and Wales, 2025
Rarity
Rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#658
55 babies · up from #757
In 2025, 55 babies in England and Wales were named Fionn. In the US, 31 were, though that figure is from 2017 — the most recent full year we hold.
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