Callister vs Ciro

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 #2,407 Most Popular 2 Syllables

"sun, lord"

Origin: Old Persian

Italian Spanish Persian

✓ All Clear

Callister Rank #43,579

Ciro Rank #2,407

Ciro is more popular, ranked #2407 vs #43579 for Callister.

Is Callister or Ciro more popular?

Ciro is more popular, ranked #2407 compared to Callister at #43579 in the United States.

What do Callister and Ciro mean?

Callister means "defender of men" (Greek via Gaelic origin). Ciro means "sun, lord" (Old Persian origin).

Are Callister and Ciro boy or girl names?

Callister is primarily a boy name. Ciro is primarily a boy name.