Ronan vs Killian

Baby Name Comparison — 2026

Ronan

Boy #257 Most Popular 2 Syllables

"little seal"

Origin: Old Irish

Irish Scottish Celtic English

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Ronan Rank #257

Killian Rank #370

Ronan is more popular, ranked #257 vs #370 for Killian.

Is Ronan or Killian more popular?

Ronan is more popular, ranked #257 compared to Killian at #370 in the United States.

What do Ronan and Killian mean?

Ronan means "little seal" (Old Irish origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Ronan and Killian boy or girl names?

Ronan is primarily a boy name. Killian is primarily a boy name.