Killian vs Deacon

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 #551 Most Popular 2 Syllables

"servant, messenger"

Origin: Greek diakonos

English American Australian

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Killian Rank #370

Deacon Rank #551

Killian is more popular, ranked #370 vs #551 for Deacon.

Is Killian or Deacon more popular?

Killian is more popular, ranked #370 compared to Deacon at #551 in the United States.

What do Killian and Deacon mean?

Killian means "associated with the church" (Irish Gaelic origin). Deacon means "servant, messenger" (Greek diakonos origin).

Are Killian and Deacon boy or girl names?

Killian is primarily a boy name. Deacon is primarily a boy name.