Callister vs Ky

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 #4,301 Most Popular 1 Syllable

"sky (variant of Kai)"

Origin: Multiple

American Scandinavian Scottish

✓ All Clear

Callister Rank #43,579

Ky Rank #4,301

Ky is more popular, ranked #4301 vs #43579 for Callister.

Is Callister or Ky more popular?

Ky is more popular, ranked #4301 compared to Callister at #43579 in the United States.

What do Callister and Ky mean?

Callister means "defender of men" (Greek via Gaelic origin). Ky means "sky (variant of Kai)" (Multiple origin).

Are Callister and Ky boy or girl names?

Callister is primarily a boy name. Ky is primarily a boy name.