Julius vs Onyx

Baby Name Comparison — 2026

Julius

Boy #390 Most Popular 3 Syllables

"of the Julian clan, youthful"

Origin: Latin

Roman European American Scandinavian

✓ All Clear

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Julius Rank #390

Onyx Rank #359

Onyx is more popular, ranked #359 vs #390 for Julius.

Is Julius or Onyx more popular?

Onyx is more popular, ranked #359 compared to Julius at #390 in the United States.

What do Julius and Onyx mean?

Julius means "of the Julian clan, youthful" (Latin origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Julius and Onyx boy or girl names?

Julius is primarily a boy name. Onyx is primarily a boy name.