Callister vs Ozlo

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 #6,041 Most Popular 2 Syllables

"divine meadow"

Origin: Old Norse

Norwegian Scandinavian American

✓ All Clear

Callister Rank #43,579

Ozlo Rank #6,041

Ozlo is more popular, ranked #6041 vs #43579 for Callister.

Is Callister or Ozlo more popular?

Ozlo is more popular, ranked #6041 compared to Callister at #43579 in the United States.

What do Callister and Ozlo mean?

Callister means "defender of men" (Greek via Gaelic origin). Ozlo means "divine meadow" (Old Norse origin).

Are Callister and Ozlo boy or girl names?

Callister is primarily a boy name. Ozlo is primarily a boy name.