Willis vs Callister

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Willis Rank #2,686

Callister Rank #43,579

Willis is more popular, ranked #2686 vs #43579 for Callister.

Is Willis or Callister more popular?

Willis is more popular, ranked #2686 compared to Callister at #43579 in the United States.

What do Willis and Callister mean?

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

Are Willis and Callister boy or girl names?

Willis is primarily a boy name. Callister is primarily a boy name.