Callister vs Sky

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 #1,700 Most Popular 1 Syllable

"sky, heavens"

Origin: Old Norse

English Scandinavian American

✓ All Clear

Callister Rank #43,579

Sky Rank #1,700

Sky is more popular, ranked #1700 vs #43579 for Callister.

Is Callister or Sky more popular?

Sky is more popular, ranked #1700 compared to Callister at #43579 in the United States.

What do Callister and Sky mean?

Callister means "defender of men" (Greek via Gaelic origin). Sky means "sky, heavens" (Old Norse origin).

Are Callister and Sky boy or girl names?

Callister is primarily a boy name. Sky is primarily a boy name.