Mac vs Jeffrey

Baby Name Comparison — 2026

Mac

Boy #696 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #521 Most Popular 3 Syllables

"pledge of peace"

Origin: Germanic

English American French

✓ All Clear

Mac Rank #696

Jeffrey Rank #521

Jeffrey is more popular, ranked #521 vs #696 for Mac.

Is Mac or Jeffrey more popular?

Jeffrey is more popular, ranked #521 compared to Mac at #696 in the United States.

What do Mac and Jeffrey mean?

Mac means "son of" (Scottish Gaelic origin). Jeffrey means "pledge of peace" (Germanic origin).

Are Mac and Jeffrey boy or girl names?

Mac is primarily a boy name. Jeffrey is primarily a boy name.