Frank vs Killian

Baby Name Comparison — 2026

Frank

Boy #469 Most Popular 1 Syllable

"free man"

Origin: Germanic via Latin

English German Italian American

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Frank Rank #469

Killian Rank #370

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

Is Frank or Killian more popular?

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

What do Frank and Killian mean?

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

Are Frank and Killian boy or girl names?

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