Sullivan vs Atticus

Baby Name Comparison — 2026

Sullivan

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

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Boy #277 Most Popular 3 Syllables

"from Attica, man of Athens"

Origin: Latin from Greek

English American classical

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Sullivan Rank #340

Atticus Rank #277

Atticus is more popular, ranked #277 vs #340 for Sullivan.

Is Sullivan or Atticus more popular?

Atticus is more popular, ranked #277 compared to Sullivan at #340 in the United States.

What do Sullivan and Atticus mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Atticus means "from Attica, man of Athens" (Latin from Greek origin).

Are Sullivan and Atticus boy or girl names?

Sullivan is primarily a boy name. Atticus is primarily a boy name.