Callister vs Sergio

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Boy #402 Most Popular 3 Syllables

"servant, shepherd"

Origin: Latin

Italian Spanish Portuguese Latin American

✓ All Clear

Callister Rank #43,579

Sergio Rank #402

Sergio is more popular, ranked #402 vs #43579 for Callister.

Is Callister or Sergio more popular?

Sergio is more popular, ranked #402 compared to Callister at #43579 in the United States.

What do Callister and Sergio mean?

Callister means "defender of men" (Greek via Gaelic origin). Sergio means "servant, shepherd" (Latin origin).

Are Callister and Sergio boy or girl names?

Callister is primarily a boy name. Sergio is primarily a boy name.