Callister vs Atom

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 #3,165 Most Popular 2 Syllables

"indivisible, uncuttable"

Origin: Greek

American English Scientific

✓ All Clear

Callister Rank #43,579

Atom Rank #3,165

Atom is more popular, ranked #3165 vs #43579 for Callister.

Is Callister or Atom more popular?

Atom is more popular, ranked #3165 compared to Callister at #43579 in the United States.

What do Callister and Atom mean?

Callister means "defender of men" (Greek via Gaelic origin). Atom means "indivisible, uncuttable" (Greek origin).

Are Callister and Atom boy or girl names?

Callister is primarily a boy name. Atom is primarily a boy name.