Aidan vs Sullivan

Baby Name Comparison — 2026

Aidan

Boy #312 Most Popular 2 Syllables

Irish Scottish English American

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Aidan Rank #312

Sullivan Rank #340

Aidan is more popular, ranked #312 vs #340 for Sullivan.

Is Aidan or Sullivan more popular?

Aidan is more popular, ranked #312 compared to Sullivan at #340 in the United States.

What do Aidan and Sullivan mean?

Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Aidan and Sullivan boy or girl names?

Aidan is primarily a boy name. Sullivan is primarily a boy name.