Killian vs Frank

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 #469 Most Popular 1 Syllable

"free man"

Origin: Germanic via Latin

English German Italian American

✓ All Clear

Killian Rank #370

Frank Rank #469

Killian is more popular, ranked #370 vs #469 for Frank.

Is Killian or Frank more popular?

Killian is more popular, ranked #370 compared to Frank at #469 in the United States.

What do Killian and Frank mean?

Killian means "associated with the church" (Irish Gaelic origin). Frank means "free man" (Germanic via Latin origin).

Are Killian and Frank boy or girl names?

Killian is primarily a boy name. Frank is primarily a boy name.