Glenn vs Callister

Baby Name Comparison — 2026

Glenn

Boy #1,366 Most Popular 1 Syllable

"valley, narrow glen"

Origin: Scottish Gaelic

Scottish Irish American Australian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Glenn Rank #1,366

Callister Rank #43,579

Glenn is more popular, ranked #1366 vs #43579 for Callister.

Is Glenn or Callister more popular?

Glenn is more popular, ranked #1366 compared to Callister at #43579 in the United States.

What do Glenn and Callister mean?

Glenn means "valley, narrow glen" (Scottish Gaelic origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Glenn and Callister boy or girl names?

Glenn is primarily a boy name. Callister is primarily a boy name.