Sullivan vs Orion

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 #326 Most Popular 3 Syllables

"rising in the sky, boundary"

Origin: Greek

English American Greek

✓ All Clear

Sullivan Rank #340

Orion Rank #326

Orion is more popular, ranked #326 vs #340 for Sullivan.

Is Sullivan or Orion more popular?

Orion is more popular, ranked #326 compared to Sullivan at #340 in the United States.

What do Sullivan and Orion mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Orion means "rising in the sky, boundary" (Greek origin).

Are Sullivan and Orion boy or girl names?

Sullivan is primarily a boy name. Orion is primarily a boy name.