Mac vs Cassius

Baby Name Comparison — 2026

Mac

Boy #696 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #568 Most Popular 3 Syllables

"hollow, empty"

Origin: Latin

English American Roman

✓ All Clear

Mac Rank #696

Cassius Rank #568

Cassius is more popular, ranked #568 vs #696 for Mac.

Is Mac or Cassius more popular?

Cassius is more popular, ranked #568 compared to Mac at #696 in the United States.

What do Mac and Cassius mean?

Mac means "son of" (Scottish Gaelic origin). Cassius means "hollow, empty" (Latin origin).

Are Mac and Cassius boy or girl names?

Mac is primarily a boy name. Cassius is primarily a boy name.