Duncan vs Callister

Baby Name Comparison — 2026

Duncan

Boy #1,104 Most Popular 2 Syllables

"dark warrior"

Origin: Scottish Gaelic

Scottish Irish British American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Duncan Rank #1,104

Callister Rank #43,579

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

Is Duncan or Callister more popular?

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

What do Duncan and Callister mean?

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

Are Duncan and Callister boy or girl names?

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