Callister vs Tomas

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 #735 Most Popular 2 Syllables

"twin"

Origin: Aramaic

Spanish Portuguese Czech Slovak Lithuanian Scandinavian

✓ All Clear

Callister Rank #43,579

Tomas Rank #735

Tomas is more popular, ranked #735 vs #43579 for Callister.

Is Callister or Tomas more popular?

Tomas is more popular, ranked #735 compared to Callister at #43579 in the United States.

What do Callister and Tomas mean?

Callister means "defender of men" (Greek via Gaelic origin). Tomas means "twin" (Aramaic origin).

Are Callister and Tomas boy or girl names?

Callister is primarily a boy name. Tomas is primarily a boy name.