Sullivan vs Eithan

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 #227 Most Popular 2 Syllables

"strong, firm, enduring"

Origin: Hebrew

American Hebrew Latino

✓ All Clear

Sullivan Rank #340

Eithan Rank #227

Eithan is more popular, ranked #227 vs #340 for Sullivan.

Is Sullivan or Eithan more popular?

Eithan is more popular, ranked #227 compared to Sullivan at #340 in the United States.

What do Sullivan and Eithan mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Eithan means "strong, firm, enduring" (Hebrew origin).

Are Sullivan and Eithan boy or girl names?

Sullivan is primarily a boy name. Eithan is primarily a boy name.