Orion vs Killian

Baby Name Comparison — 2026

Orion

Boy #326 Most Popular 3 Syllables

"rising in the sky, boundary"

Origin: Greek

English American Greek

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Orion Rank #326

Killian Rank #370

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

Is Orion or Killian more popular?

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

What do Orion and Killian mean?

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

Are Orion and Killian boy or girl names?

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