Mack vs Colby

Baby Name Comparison — 2026

Mack

Boy #499 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #582 Most Popular 2 Syllables

"dark man's settlement, coal-black farm"

Origin: Old Norse

English American Scandinavian

✓ All Clear

Mack Rank #499

Colby Rank #582

Mack is more popular, ranked #499 vs #582 for Colby.

Is Mack or Colby more popular?

Mack is more popular, ranked #499 compared to Colby at #582 in the United States.

What do Mack and Colby mean?

Mack means "son of" (Scottish Gaelic origin). Colby means "dark man's settlement, coal-black farm" (Old Norse origin).

Are Mack and Colby boy or girl names?

Mack is primarily a boy name. Colby is primarily a boy name.