Callister vs Keiler

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 #4,930 Most Popular 2 Syllables

"keeper of the keys"

Origin: Old English

American English

✓ All Clear

Callister Rank #43,579

Keiler Rank #4,930

Keiler is more popular, ranked #4930 vs #43579 for Callister.

Is Callister or Keiler more popular?

Keiler is more popular, ranked #4930 compared to Callister at #43579 in the United States.

What do Callister and Keiler mean?

Callister means "defender of men" (Greek via Gaelic origin). Keiler means "keeper of the keys" (Old English origin).

Are Callister and Keiler boy or girl names?

Callister is primarily a boy name. Keiler is primarily a boy name.