Killian vs Orion

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 #326 Most Popular 3 Syllables

"rising in the sky, boundary"

Origin: Greek

English American Greek

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Killian Rank #370

Orion Rank #326

Orion is more popular, ranked #326 vs #370 for Killian.

Is Killian or Orion more popular?

Orion is more popular, ranked #326 compared to Killian at #370 in the United States.

What do Killian and Orion mean?

Killian means "associated with the church" (Irish Gaelic origin). Orion means "rising in the sky, boundary" (Greek origin).

Are Killian and Orion boy or girl names?

Killian is primarily a boy name. Orion is primarily a boy name.