Mac vs Dennis

Baby Name Comparison — 2026

Mac

Boy #696 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #708 Most Popular 2 Syllables

"follower of Dionysus"

Origin: Greek

English French German Irish

✓ All Clear

Mac Rank #696

Dennis Rank #708

Mac is more popular, ranked #696 vs #708 for Dennis.

Is Mac or Dennis more popular?

Mac is more popular, ranked #696 compared to Dennis at #708 in the United States.

What do Mac and Dennis mean?

Mac means "son of" (Scottish Gaelic origin). Dennis means "follower of Dionysus" (Greek origin).

Are Mac and Dennis boy or girl names?

Mac is primarily a boy name. Dennis is primarily a boy name.