To rejoice
Caio is a classic Portuguese and Brazilian name derived from the Roman family name Caius. It stems from the Latin word 'gaudere', which means to rejoice or be glad. While ancient in its roots, it maintains a fresh, energetic feel in modern Lusophone cultures.
Less common today
Caio isn't in the latest US Top 1000. It last peaked at #3,086 in 2023.
US births per 5-year period, 1990–present (SSA data).
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