Ky vs Callister

Baby Name Comparison — 2026

Ky

Boy #4,301 Most Popular 1 Syllable

"sky (variant of Kai)"

Origin: Multiple

American Scandinavian Scottish

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Ky Rank #4,301

Callister Rank #43,579

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

Is Ky or Callister more popular?

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

What do Ky and Callister mean?

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

Are Ky and Callister boy or girl names?

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