Sullivan vs Otto

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 #274 Most Popular 2 Syllables

"wealth, fortune, prosperity"

Origin: Old High German

German Scandinavian Italian English

✓ All Clear

Sullivan Rank #340

Otto Rank #274

Otto is more popular, ranked #274 vs #340 for Sullivan.

Is Sullivan or Otto more popular?

Otto is more popular, ranked #274 compared to Sullivan at #340 in the United States.

What do Sullivan and Otto mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Otto means "wealth, fortune, prosperity" (Old High German origin).

Are Sullivan and Otto boy or girl names?

Sullivan is primarily a boy name. Otto is primarily a boy name.