Ayden vs Sullivan

Baby Name Comparison — 2026

Ayden

Boy #213 Most Popular 2 Syllables

"little fire"

Origin: Old Irish (Aodhán)

American Irish English

✓ All Clear

Boy #340 Most Popular 3 Syllables

"descendant of the dark one"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Ayden Rank #213

Sullivan Rank #340

Ayden is more popular, ranked #213 vs #340 for Sullivan.

Is Ayden or Sullivan more popular?

Ayden is more popular, ranked #213 compared to Sullivan at #340 in the United States.

What do Ayden and Sullivan mean?

Ayden means "little fire" (Old Irish (Aodhán) origin). Sullivan means "descendant of the dark one" (Irish Gaelic origin).

Are Ayden and Sullivan boy or girl names?

Ayden is primarily a boy name. Sullivan is primarily a boy name.