Sullivan vs Tatum

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 #195 Most Popular 2 Syllables

"cheerful settlement"

Origin: Old English

American English

✓ All Clear

Sullivan Rank #340

Tatum Rank #195

Tatum is more popular, ranked #195 vs #340 for Sullivan.

Is Sullivan or Tatum more popular?

Tatum is more popular, ranked #195 compared to Sullivan at #340 in the United States.

What do Sullivan and Tatum mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Tatum means "cheerful settlement" (Old English origin).

Are Sullivan and Tatum boy or girl names?

Sullivan is primarily a boy name. Tatum is primarily a boy name.