Caio
A boys’ name of Latin origin, meaning rejoice; from Gaius.
Babies a year
36
England and Wales, 2025
Rarity
Rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#873
36 babies
In 2025, 36 babies in England and Wales were named Caio. In the US, 24 were, though that figure is from 2017 — the most recent full year we hold.
Names about as common as Caio
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