Willis vs Allister

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

✓ All Clear

Boy #2,601 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Scottish Gaelic

Scottish Irish English Celtic

✓ All Clear

Willis Rank #2,686

Allister Rank #2,601

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

Is Willis or Allister more popular?

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

What do Willis and Allister mean?

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

Are Willis and Allister boy or girl names?

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