Bill vs Callister

Baby Name Comparison — 2026

Bill

Boy #4,669 Most Popular 1 Syllable

"resolute protector"

Origin: Old High German Willahelm

English American Australian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Bill Rank #4,669

Callister Rank #43,579

Bill is more popular, ranked #4669 vs #43579 for Callister.

Is Bill or Callister more popular?

Bill is more popular, ranked #4669 compared to Callister at #43579 in the United States.

What do Bill and Callister mean?

Bill means "resolute protector" (Old High German Willahelm origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Bill and Callister boy or girl names?

Bill is primarily a boy name. Callister is primarily a boy name.