Kaius vs Callister

Baby Name Comparison — 2026

Kaius

Boy #1,137 Most Popular 3 Syllables

"rejoice, be glad"

Origin: Latin

Latin Scandinavian Finnish

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Kaius Rank #1,137

Callister Rank #43,579

Kaius is more popular, ranked #1137 vs #43579 for Callister.

Is Kaius or Callister more popular?

Kaius is more popular, ranked #1137 compared to Callister at #43579 in the United States.

What do Kaius and Callister mean?

Kaius means "rejoice, be glad" (Latin origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Kaius and Callister boy or girl names?

Kaius is primarily a boy name. Callister is primarily a boy name.