Gio vs Caius

Baby Name Comparison — 2026

Gio

Boy #1,163 Most Popular 2 Syllables

"God is gracious"

Origin: Hebrew via Italian

Italian Spanish American

✓ All Clear

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Gio Rank #1,163

Caius Rank #1,063

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

Is Gio or Caius more popular?

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

What do Gio and Caius mean?

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

Are Gio and Caius boy or girl names?

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