Osian
A boys’ name of Irish origin, meaning little deer; a form of Oisín.
Babies a year
165
England and Wales, 2025
Rarity
Uncommon
among names in use
US popularity
—
outside the top 1000
UK popularity
#274
165 babies · up from #313
In 2025, 165 babies in England and Wales were named Osian. In the US, 9 were, though that figure is from 2017 — the most recent full year we hold.
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