Killian vs Peter

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 #192 Most Popular 2 Syllables

"rock, stone"

Origin: Greek

English Greek Dutch Scandinavian German

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Peter' can be twisted to 'peter'"}

Killian Rank #370

Peter Rank #192

Peter is more popular, ranked #192 vs #370 for Killian.

Is Killian or Peter more popular?

Peter is more popular, ranked #192 compared to Killian at #370 in the United States.

What do Killian and Peter mean?

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

Are Killian and Peter boy or girl names?

Killian is primarily a boy name. Peter is primarily a boy name.