Killian vs Ronan

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #257 Most Popular 2 Syllables

"little seal"

Origin: Old Irish

Irish Scottish Celtic English

✓ All Clear

Killian Rank #370

Ronan Rank #257

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

Is Killian or Ronan more popular?

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

What do Killian and Ronan mean?

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

Are Killian and Ronan boy or girl names?

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