Sullivan vs Augustus

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 #409 Most Popular 4 Syllables

"favored by the gods"

Origin: Latin

Latin English German European

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Sullivan Rank #340

Augustus Rank #409

Sullivan is more popular, ranked #340 vs #409 for Augustus.

Is Sullivan or Augustus more popular?

Sullivan is more popular, ranked #340 compared to Augustus at #409 in the United States.

What do Sullivan and Augustus mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin). Augustus means "favored by the gods" (Latin origin).

Are Sullivan and Augustus boy or girl names?

Sullivan is primarily a boy name. Augustus is primarily a boy name.