Onyx vs Kaison

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Boy #513 Most Popular 2 Syllables

"modern blend of Kai (sea) and -son suffix"

Origin: American

American

✓ All Clear

Onyx Rank #359

Kaison Rank #513

Onyx is more popular, ranked #359 vs #513 for Kaison.

Is Onyx or Kaison more popular?

Onyx is more popular, ranked #359 compared to Kaison at #513 in the United States.

What do Onyx and Kaison mean?

Onyx means "black gemstone" (Greek (onyx) origin). Kaison means "modern blend of Kai (sea) and -son suffix" (American origin).

Are Onyx and Kaison boy or girl names?

Onyx is primarily a boy name. Kaison is primarily a boy name.