Callister vs Ruby

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 #5,424 Most Popular 2 Syllables

"deep red, the color red"

Origin: Latin rubinus

English American Australian

✓ All Clear

Callister Rank #43,579

Ruby Rank #5,424

Ruby is more popular, ranked #5424 vs #43579 for Callister.

Is Callister or Ruby more popular?

Ruby is more popular, ranked #5424 compared to Callister at #43579 in the United States.

What do Callister and Ruby mean?

Callister means "defender of men" (Greek via Gaelic origin). Ruby means "deep red, the color red" (Latin rubinus origin).

Are Callister and Ruby boy or girl names?

Callister is primarily a boy name. Ruby is primarily a boy name.