Callister vs Aithan

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 #4,385 Most Popular 2 Syllables

"strong, enduring, firm"

Origin: Hebrew

American Christian English

✓ All Clear

Callister Rank #43,579

Aithan Rank #4,385

Aithan is more popular, ranked #4385 vs #43579 for Callister.

Is Callister or Aithan more popular?

Aithan is more popular, ranked #4385 compared to Callister at #43579 in the United States.

What do Callister and Aithan mean?

Callister means "defender of men" (Greek via Gaelic origin). Aithan means "strong, enduring, firm" (Hebrew origin).

Are Callister and Aithan boy or girl names?

Callister is primarily a boy name. Aithan is primarily a boy name.