Callister vs Renn

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 #5,160 Most Popular 1 Syllable

"counsel, advice"

Origin: Old English/Germanic

American English Scandinavian

✓ All Clear

Callister Rank #43,579

Renn Rank #5,160

Renn is more popular, ranked #5160 vs #43579 for Callister.

Is Callister or Renn more popular?

Renn is more popular, ranked #5160 compared to Callister at #43579 in the United States.

What do Callister and Renn mean?

Callister means "defender of men" (Greek via Gaelic origin). Renn means "counsel, advice" (Old English/Germanic origin).

Are Callister and Renn boy or girl names?

Callister is primarily a boy name. Renn is primarily a boy name.