Callister vs Isaiah

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 #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

Callister Rank #43,579

Isaiah Rank #56

Isaiah is more popular, ranked #56 vs #43579 for Callister.

Is Callister or Isaiah more popular?

Isaiah is more popular, ranked #56 compared to Callister at #43579 in the United States.

What do Callister and Isaiah mean?

Callister means "defender of men" (Greek via Gaelic origin). Isaiah means "the Lord saves" (Hebrew origin).

Are Callister and Isaiah boy or girl names?

Callister is primarily a boy name. Isaiah is primarily a boy name.