Callister vs Duncan

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 #1,104 Most Popular 2 Syllables

"dark warrior"

Origin: Scottish Gaelic

Scottish Irish British American

✓ All Clear

Callister Rank #43,579

Duncan Rank #1,104

Duncan is more popular, ranked #1104 vs #43579 for Callister.

Is Callister or Duncan more popular?

Duncan is more popular, ranked #1104 compared to Callister at #43579 in the United States.

What do Callister and Duncan mean?

Callister means "defender of men" (Greek via Gaelic origin). Duncan means "dark warrior" (Scottish Gaelic origin).

Are Callister and Duncan boy or girl names?

Callister is primarily a boy name. Duncan is primarily a boy name.