Callister vs Geronimo

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 #3,408 Most Popular 4 Syllables

"sacred name"

Origin: Greek

Spanish Italian Native American American

✓ All Clear

Callister Rank #43,579

Geronimo Rank #3,408

Geronimo is more popular, ranked #3408 vs #43579 for Callister.

Is Callister or Geronimo more popular?

Geronimo is more popular, ranked #3408 compared to Callister at #43579 in the United States.

What do Callister and Geronimo mean?

Callister means "defender of men" (Greek via Gaelic origin). Geronimo means "sacred name" (Greek origin).

Are Callister and Geronimo boy or girl names?

Callister is primarily a boy name. Geronimo is primarily a boy name.