Callister vs Iris

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 #5,812 Most Popular 2 Syllables

"rainbow"

Origin: Greek

English Dutch American Scandinavian

✓ All Clear

Callister Rank #43,579

Iris Rank #5,812

Iris is more popular, ranked #5812 vs #43579 for Callister.

Is Callister or Iris more popular?

Iris is more popular, ranked #5812 compared to Callister at #43579 in the United States.

What do Callister and Iris mean?

Callister means "defender of men" (Greek via Gaelic origin). Iris means "rainbow" (Greek origin).

Are Callister and Iris boy or girl names?

Callister is primarily a boy name. Iris is primarily a boy name.