Justus vs Callister

Baby Name Comparison — 2026

Justus

Boy #1,814 Most Popular 2 Syllables

"just, righteous, upright"

Origin: Latin

German Dutch English Christian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Justus Rank #1,814

Callister Rank #43,579

Justus is more popular, ranked #1814 vs #43579 for Callister.

Is Justus or Callister more popular?

Justus is more popular, ranked #1814 compared to Callister at #43579 in the United States.

What do Justus and Callister mean?

Justus means "just, righteous, upright" (Latin origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Justus and Callister boy or girl names?

Justus is primarily a boy name. Callister is primarily a boy name.