Killian vs Pierce

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 #541 Most Popular 1 Syllable

"rock, stone"

Origin: Greek via Latin

English American Welsh

✓ All Clear

Killian Rank #370

Pierce Rank #541

Killian is more popular, ranked #370 vs #541 for Pierce.

Is Killian or Pierce more popular?

Killian is more popular, ranked #370 compared to Pierce at #541 in the United States.

What do Killian and Pierce mean?

Killian means "associated with the church" (Irish Gaelic origin). Pierce means "rock, stone" (Greek via Latin origin).

Are Killian and Pierce boy or girl names?

Killian is primarily a boy name. Pierce is primarily a boy name.