Callister vs Sid

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 #4,636 Most Popular 1 Syllable

"wide meadow, wide island"

Origin: Old English

English American British

✓ All Clear

Callister Rank #43,579

Sid Rank #4,636

Sid is more popular, ranked #4636 vs #43579 for Callister.

Is Callister or Sid more popular?

Sid is more popular, ranked #4636 compared to Callister at #43579 in the United States.

What do Callister and Sid mean?

Callister means "defender of men" (Greek via Gaelic origin). Sid means "wide meadow, wide island" (Old English origin).

Are Callister and Sid boy or girl names?

Callister is primarily a boy name. Sid is primarily a boy name.