Willian vs Callister

Baby Name Comparison — 2026

Willian

Boy #5,797 Most Popular 3 Syllables

"resolute protector"

Origin: Germanic

Portuguese Brazilian Spanish

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Willian Rank #5,797

Callister Rank #43,579

Willian is more popular, ranked #5797 vs #43579 for Callister.

Is Willian or Callister more popular?

Willian is more popular, ranked #5797 compared to Callister at #43579 in the United States.

What do Willian and Callister mean?

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

Are Willian and Callister boy or girl names?

Willian is primarily a boy name. Callister is primarily a boy name.