Willy vs Callister

Baby Name Comparison — 2026

Willy

Boy #4,354 Most Popular 2 Syllables

"resolute protector, determined guardian"

Origin: Germanic

English German Dutch American

37 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Willy' can be twisted to 'willy'"}

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Willy Rank #4,354

Callister Rank #43,579

Willy is more popular, ranked #4354 vs #43579 for Callister.

Is Willy or Callister more popular?

Willy is more popular, ranked #4354 compared to Callister at #43579 in the United States.

What do Willy and Callister mean?

Willy means "resolute protector, determined guardian" (Germanic origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Willy and Callister boy or girl names?

Willy is primarily a boy name. Callister is primarily a boy name.