Allistor vs Killian

Baby Name Comparison — 2026

Allistor

Boy #32,095 Most Popular 3 Syllables

"defender of men"

Origin: Greek Alexandros via Scottish Gaelic

Scottish English Irish

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Allistor Rank #32,095

Killian Rank #370

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

Is Allistor or Killian more popular?

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

What do Allistor and Killian mean?

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

Are Allistor and Killian boy or girl names?

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