Ian vs Callister

Baby Name Comparison — 2026

Ian

Boy #75 Most Popular 2 Syllables

"God is gracious"

Origin: Scottish Gaelic

Scottish British Irish American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Ian Rank #75

Callister Rank #43,579

Ian is more popular, ranked #75 vs #43579 for Callister.

Is Ian or Callister more popular?

Ian is more popular, ranked #75 compared to Callister at #43579 in the United States.

What do Ian and Callister mean?

Ian means "God is gracious" (Scottish Gaelic origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Ian and Callister boy or girl names?

Ian is primarily a boy name. Callister is primarily a boy name.