Atom vs Callister

Baby Name Comparison — 2026

Atom

Boy #3,165 Most Popular 2 Syllables

"indivisible, uncuttable"

Origin: Greek

American English Scientific

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Atom Rank #3,165

Callister Rank #43,579

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

Is Atom or Callister more popular?

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

What do Atom and Callister mean?

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

Are Atom and Callister boy or girl names?

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