Killian vs Justin

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Boy #199 Most Popular 2 Syllables

"just, righteous"

Origin: Latin

English American French Scandinavian

✓ All Clear

Killian Rank #370

Justin Rank #199

Justin is more popular, ranked #199 vs #370 for Killian.

Is Killian or Justin more popular?

Justin is more popular, ranked #199 compared to Killian at #370 in the United States.

What do Killian and Justin mean?

Killian means "associated with the church" (Irish Gaelic origin). Justin means "just, righteous" (Latin origin).

Are Killian and Justin boy or girl names?

Killian is primarily a boy name. Justin is primarily a boy name.