Sonny vs Sullivan

Baby Name Comparison — 2026

Sonny

Boy #336 Most Popular 2 Syllables

"son, young boy"

Origin: English

American English Italian-American

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Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

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Sonny Rank #336

Sullivan Rank #340

Sonny is more popular, ranked #336 vs #340 for Sullivan.

Is Sonny or Sullivan more popular?

Sonny is more popular, ranked #336 compared to Sullivan at #340 in the United States.

What do Sonny and Sullivan mean?

Sonny means "son, young boy" (English origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Sonny and Sullivan boy or girl names?

Sonny is primarily a boy name. Sullivan is primarily a boy name.