Sullivan vs Maddox

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 #215 Most Popular 2 Syllables

"son of Madoc"

Origin: Welsh

American Welsh English

✓ All Clear

Sullivan Rank #340

Maddox Rank #215

Maddox is more popular, ranked #215 vs #340 for Sullivan.

Is Sullivan or Maddox more popular?

Maddox is more popular, ranked #215 compared to Sullivan at #340 in the United States.

What do Sullivan and Maddox mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Maddox means "son of Madoc" (Welsh origin).

Are Sullivan and Maddox boy or girl names?

Sullivan is primarily a boy name. Maddox is primarily a boy name.