Gaius vs Caio

Baby Name Comparison — 2026

Gaius

Boy #3,655 Most Popular 2 Syllables

"to rejoice, happy, glad"

Origin: Latin

Roman Latin English American

✓ All Clear

Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

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Gaius Rank #3,655

Caio Rank #3,730

Gaius is more popular, ranked #3655 vs #3730 for Caio.

Is Gaius or Caio more popular?

Gaius is more popular, ranked #3655 compared to Caio at #3730 in the United States.

What do Gaius and Caio mean?

Gaius means "to rejoice, happy, glad" (Latin origin). Caio means "to rejoice, to be glad" (Latin origin).

Are Gaius and Caio boy or girl names?

Gaius is primarily a boy name. Caio is primarily a boy name.