Killian vs Allistor

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #32,095 Most Popular 3 Syllables

"defender of men"

Origin: Greek Alexandros via Scottish Gaelic

Scottish English Irish

✓ All Clear

Killian Rank #370

Allistor Rank #32,095

Killian is more popular, ranked #370 vs #32095 for Allistor.

Is Killian or Allistor more popular?

Killian is more popular, ranked #370 compared to Allistor at #32095 in the United States.

What do Killian and Allistor mean?

Killian means "associated with the church" (Irish Gaelic origin). Allistor means "defender of men" (Greek Alexandros via Scottish Gaelic origin).

Are Killian and Allistor boy or girl names?

Killian is primarily a boy name. Allistor is primarily a boy name.