Eithan vs Sullivan

Baby Name Comparison — 2026

Eithan

Boy #227 Most Popular 2 Syllables

"strong, firm, enduring"

Origin: Hebrew

American Hebrew Latino

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Eithan Rank #227

Sullivan Rank #340

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

Is Eithan or Sullivan more popular?

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

What do Eithan and Sullivan mean?

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

Are Eithan and Sullivan boy or girl names?

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