Ruby vs Callister

Baby Name Comparison — 2026

Ruby

Boy #5,424 Most Popular 2 Syllables

"deep red, the color red"

Origin: Latin rubinus

English American Australian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Ruby Rank #5,424

Callister Rank #43,579

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

Is Ruby or Callister more popular?

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

What do Ruby and Callister mean?

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

Are Ruby and Callister boy or girl names?

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