Allister vs Willis

Baby Name Comparison — 2026

Allister

Boy #2,601 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Scottish Gaelic

Scottish Irish English Celtic

✓ All Clear

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

✓ All Clear

Allister Rank #2,601

Willis Rank #2,686

Allister is more popular, ranked #2601 vs #2686 for Willis.

Is Allister or Willis more popular?

Allister is more popular, ranked #2601 compared to Willis at #2686 in the United States.

What do Allister and Willis mean?

Allister means "defender of men" (Greek via Scottish Gaelic origin). Willis means "resolute protector" (Germanic origin).

Are Allister and Willis boy or girl names?

Allister is primarily a boy name. Willis is primarily a boy name.