Allister vs Williams

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 #2,530 Most Popular 3 Syllables

"resolute protector"

Origin: Germanic

English American Welsh

✓ All Clear

Allister Rank #2,601

Williams Rank #2,530

Williams is more popular, ranked #2530 vs #2601 for Allister.

Is Allister or Williams more popular?

Williams is more popular, ranked #2530 compared to Allister at #2601 in the United States.

What do Allister and Williams mean?

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

Are Allister and Williams boy or girl names?

Allister is primarily a boy name. Williams is primarily a boy name.