Sullivan vs Jay

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Boy #397 Most Popular 1 Syllable

"to rejoice, joyful"

Origin: Latin (Gaius)

American English South Asian Universal

✓ All Clear

Sullivan Rank #340

Jay Rank #397

Sullivan is more popular, ranked #340 vs #397 for Jay.

Is Sullivan or Jay more popular?

Sullivan is more popular, ranked #340 compared to Jay at #397 in the United States.

What do Sullivan and Jay mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Jay means "to rejoice, joyful" (Latin (Gaius) origin).

Are Sullivan and Jay boy or girl names?

Sullivan is primarily a boy name. Jay is primarily a boy name.