Caius vs Gio

Baby Name Comparison — 2026

Caius

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Boy #1,163 Most Popular 2 Syllables

"God is gracious"

Origin: Hebrew via Italian

Italian Spanish American

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Caius Rank #1,063

Gio Rank #1,163

Caius is more popular, ranked #1063 vs #1163 for Gio.

Is Caius or Gio more popular?

Caius is more popular, ranked #1063 compared to Gio at #1163 in the United States.

What do Caius and Gio mean?

Caius means "to rejoice, joyful" (Latin origin). Gio means "God is gracious" (Hebrew via Italian origin).

Are Caius and Gio boy or girl names?

Caius is primarily a boy name. Gio is primarily a boy name.