Onyx vs Kash

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Boy #293 Most Popular 1 Syllable

"hollow (place)"

Origin: Old English

American

✓ All Clear

Onyx Rank #359

Kash Rank #293

Kash is more popular, ranked #293 vs #359 for Onyx.

Is Onyx or Kash more popular?

Kash is more popular, ranked #293 compared to Onyx at #359 in the United States.

What do Onyx and Kash mean?

Onyx means "black gemstone" (Greek (onyx) origin). Kash means "hollow (place)" (Old English origin).

Are Onyx and Kash boy or girl names?

Onyx is primarily a boy name. Kash is primarily a boy name.