Rhys vs Onyx

Baby Name Comparison — 2026

Rhys

Boy #354 Most Popular 1 Syllable

"enthusiasm, passion"

Origin: Old Welsh

Welsh British Australian

✓ All Clear

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Rhys Rank #354

Onyx Rank #359

Rhys is more popular, ranked #354 vs #359 for Onyx.

Is Rhys or Onyx more popular?

Rhys is more popular, ranked #354 compared to Onyx at #359 in the United States.

What do Rhys and Onyx mean?

Rhys means "enthusiasm, passion" (Old Welsh origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Rhys and Onyx boy or girl names?

Rhys is primarily a boy name. Onyx is primarily a boy name.