Mack vs Sonny

Baby Name Comparison — 2026

Mack

Boy #499 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #336 Most Popular 2 Syllables

"son, young boy"

Origin: English

American English Italian-American

✓ All Clear

Mack Rank #499

Sonny Rank #336

Sonny is more popular, ranked #336 vs #499 for Mack.

Is Mack or Sonny more popular?

Sonny is more popular, ranked #336 compared to Mack at #499 in the United States.

What do Mack and Sonny mean?

Mack means "son of" (Scottish Gaelic origin). Sonny means "son, young boy" (English origin).

Are Mack and Sonny boy or girl names?

Mack is primarily a boy name. Sonny is primarily a boy name.