Killian vs Augustine

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 #553 Most Popular 3 Syllables

"great, venerable, majestic"

Origin: Latin Augustus

English French Irish Catholic American

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Killian Rank #370

Augustine Rank #553

Killian is more popular, ranked #370 vs #553 for Augustine.

Is Killian or Augustine more popular?

Killian is more popular, ranked #370 compared to Augustine at #553 in the United States.

What do Killian and Augustine mean?

Killian means "associated with the church" (Irish Gaelic origin). Augustine means "great, venerable, majestic" (Latin Augustus origin).

Are Killian and Augustine boy or girl names?

Killian is primarily a boy name. Augustine is primarily a boy name.