Callister vs Sion

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 #3,680 Most Popular 1 Syllable

"God is gracious"

Origin: Hebrew via Latin

Welsh British

✓ All Clear

Callister Rank #43,579

Sion Rank #3,680

Sion is more popular, ranked #3680 vs #43579 for Callister.

Is Callister or Sion more popular?

Sion is more popular, ranked #3680 compared to Callister at #43579 in the United States.

What do Callister and Sion mean?

Callister means "defender of men" (Greek via Gaelic origin). Sion means "God is gracious" (Hebrew via Latin origin).

Are Callister and Sion boy or girl names?

Callister is primarily a boy name. Sion is primarily a boy name.