Cy vs Caio

Baby Name Comparison — 2026

Cy

Boy #2,349 Most Popular 1 Syllable

"sun, shepherd"

Origin: Old Persian (via Cyrus)

American Western Persian

✓ All Clear

Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

✓ All Clear

Cy Rank #2,349

Caio Rank #3,730

Cy is more popular, ranked #2349 vs #3730 for Caio.

Is Cy or Caio more popular?

Cy is more popular, ranked #2349 compared to Caio at #3730 in the United States.

What do Cy and Caio mean?

Cy means "sun, shepherd" (Old Persian (via Cyrus) origin). Caio means "to rejoice, to be glad" (Latin origin).

Are Cy and Caio boy or girl names?

Cy is primarily a boy name. Caio is primarily a boy name.