Caio

Meaning

“Portuguese form of the Roman name Gaius, of disputed origin, traditionally linked to Latin gaudere, to rejoice; short, bright, and one of Brazil's favorite boys' names of the last generation”

Popularity, 1890–2024

Shape drawn from US Social Security baby-name records. Caio has stayed rare in US records the whole time: no peak decade to name.

Names that fit alongside Caio

Cauã Enzo Mio Theo Niko Bruno

The Caio deep dive

Written for you · $3 →

Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Caio truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Caio fits with your family’s names and surname.

Both reports, explained →

Keep exploring

Portuguese and Brazilian baby names · Short names

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