Mack vs Jay

Baby Name Comparison — 2026

Mack

Boy #499 Most Popular 1 Syllable

"son of"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #397 Most Popular 1 Syllable

"to rejoice, joyful"

Origin: Latin (Gaius)

American English South Asian Universal

✓ All Clear

Mack Rank #499

Jay Rank #397

Jay is more popular, ranked #397 vs #499 for Mack.

Is Mack or Jay more popular?

Jay is more popular, ranked #397 compared to Mack at #499 in the United States.

What do Mack and Jay mean?

Mack means "son of" (Scottish Gaelic origin). Jay means "to rejoice, joyful" (Latin (Gaius) origin).

Are Mack and Jay boy or girl names?

Mack is primarily a boy name. Jay is primarily a boy name.