Kairo vs Onyx

Baby Name Comparison — 2026

Kairo

Boy #238 Most Popular 2 Syllables

"the victorious, the conqueror"

Origin: Arabic place name

American African American Arabic

✓ All Clear

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Kairo Rank #238

Onyx Rank #359

Kairo is more popular, ranked #238 vs #359 for Onyx.

Is Kairo or Onyx more popular?

Kairo is more popular, ranked #238 compared to Onyx at #359 in the United States.

What do Kairo and Onyx mean?

Kairo means "the victorious, the conqueror" (Arabic place name origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Kairo and Onyx boy or girl names?

Kairo is primarily a boy name. Onyx is primarily a boy name.