Callister vs Knox

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 #209 Most Popular 1 Syllable

"round hill"

Origin: Old English/Scottish

American Scottish English

✓ All Clear

Callister Rank #43,579

Knox Rank #209

Knox is more popular, ranked #209 vs #43579 for Callister.

Is Callister or Knox more popular?

Knox is more popular, ranked #209 compared to Callister at #43579 in the United States.

What do Callister and Knox mean?

Callister means "defender of men" (Greek via Gaelic origin). Knox means "round hill" (Old English/Scottish origin).

Are Callister and Knox boy or girl names?

Callister is primarily a boy name. Knox is primarily a boy name.