Dax vs Cassius

Baby Name Comparison — 2026

Dax

Boy #640 Most Popular 1 Syllable

"water, thermal waters (place name)"

Origin: French/Basque

English American French

✓ All Clear

Boy #568 Most Popular 3 Syllables

"hollow, empty"

Origin: Latin

English American Roman

✓ All Clear

Dax Rank #640

Cassius Rank #568

Cassius is more popular, ranked #568 vs #640 for Dax.

Is Dax or Cassius more popular?

Cassius is more popular, ranked #568 compared to Dax at #640 in the United States.

What do Dax and Cassius mean?

Dax means "water, thermal waters (place name)" (French/Basque origin). Cassius means "hollow, empty" (Latin origin).

Are Dax and Cassius boy or girl names?

Dax is primarily a boy name. Cassius is primarily a boy name.