Mack vs Julius

Baby Name Comparison — 2026

Mack

Boy #499 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #390 Most Popular 3 Syllables

"of the Julian clan, youthful"

Origin: Latin

Roman European American Scandinavian

✓ All Clear

Mack Rank #499

Julius Rank #390

Julius is more popular, ranked #390 vs #499 for Mack.

Is Mack or Julius more popular?

Julius is more popular, ranked #390 compared to Mack at #499 in the United States.

What do Mack and Julius mean?

Mack means "son of" (Scottish Gaelic origin). Julius means "of the Julian clan, youthful" (Latin origin).

Are Mack and Julius boy or girl names?

Mack is primarily a boy name. Julius is primarily a boy name.