Sidney vs Callister

Baby Name Comparison — 2026

Sidney

Boy #1,374 Most Popular 2 Syllables

"from Saint Denis"

Origin: Anglo-Norman French

English American Australian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Sidney Rank #1,374

Callister Rank #43,579

Sidney is more popular, ranked #1374 vs #43579 for Callister.

Is Sidney or Callister more popular?

Sidney is more popular, ranked #1374 compared to Callister at #43579 in the United States.

What do Sidney and Callister mean?

Sidney means "from Saint Denis" (Anglo-Norman French origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Sidney and Callister boy or girl names?

Sidney is primarily a boy name. Callister is primarily a boy name.