Simon vs Callister

Baby Name Comparison — 2026

Simon

Boy #251 Most Popular 2 Syllables

"he has heard, God has heard"

Origin: Hebrew

English French German Scandinavian Jewish

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Simon Rank #251

Callister Rank #43,579

Simon is more popular, ranked #251 vs #43579 for Callister.

Is Simon or Callister more popular?

Simon is more popular, ranked #251 compared to Callister at #43579 in the United States.

What do Simon and Callister mean?

Simon means "he has heard, God has heard" (Hebrew origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Simon and Callister boy or girl names?

Simon is primarily a boy name. Callister is primarily a boy name.