Tom vs Callister

Baby Name Comparison — 2026

Tom

Boy #2,829 Most Popular 1 Syllable

"twin"

Origin: Aramaic

English American European

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Tom Rank #2,829

Callister Rank #43,579

Tom is more popular, ranked #2829 vs #43579 for Callister.

Is Tom or Callister more popular?

Tom is more popular, ranked #2829 compared to Callister at #43579 in the United States.

What do Tom and Callister mean?

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

Are Tom and Callister boy or girl names?

Tom is primarily a boy name. Callister is primarily a boy name.