Onyx vs Kayson

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Boy #291 Most Popular 2 Syllables

"rejoice, healer"

Origin: American/Persian

American

✓ All Clear

Onyx Rank #359

Kayson Rank #291

Kayson is more popular, ranked #291 vs #359 for Onyx.

Is Onyx or Kayson more popular?

Kayson is more popular, ranked #291 compared to Onyx at #359 in the United States.

What do Onyx and Kayson mean?

Onyx means "black gemstone" (Greek (onyx) origin). Kayson means "rejoice, healer" (American/Persian origin).

Are Onyx and Kayson boy or girl names?

Onyx is primarily a boy name. Kayson is primarily a boy name.