Callister vs Rain

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 #1,665 Most Popular 1 Syllable

"rainfall, precipitation"

Origin: Old English

English-speaking Western Nordic

✓ All Clear

Callister Rank #43,579

Rain Rank #1,665

Rain is more popular, ranked #1665 vs #43579 for Callister.

Is Callister or Rain more popular?

Rain is more popular, ranked #1665 compared to Callister at #43579 in the United States.

What do Callister and Rain mean?

Callister means "defender of men" (Greek via Gaelic origin). Rain means "rainfall, precipitation" (Old English origin).

Are Callister and Rain boy or girl names?

Callister is primarily a boy name. Rain is primarily a boy name.