Kylan vs Onyx

Baby Name Comparison — 2026

Kylan

Boy #533 Most Popular 2 Syllables

"narrow strait"

Origin: Scottish Gaelic

American Irish English

✓ All Clear

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Kylan Rank #533

Onyx Rank #359

Onyx is more popular, ranked #359 vs #533 for Kylan.

Is Kylan or Onyx more popular?

Onyx is more popular, ranked #359 compared to Kylan at #533 in the United States.

What do Kylan and Onyx mean?

Kylan means "narrow strait" (Scottish Gaelic origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Kylan and Onyx boy or girl names?

Kylan is primarily a boy name. Onyx is primarily a boy name.