Mac vs Colby

Baby Name Comparison — 2026

Mac

Boy #696 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

Mac Rank #696

Colby Rank #582

Colby is more popular, ranked #582 vs #696 for Mac.

Is Mac or Colby more popular?

Colby is more popular, ranked #582 compared to Mac at #696 in the United States.

What do Mac and Colby mean?

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

Are Mac and Colby boy or girl names?

Mac is primarily a boy name. Colby is primarily a boy name.