Jay vs Callister

Baby Name Comparison — 2026

Jay

Boy #397 Most Popular 1 Syllable

"to rejoice, joyful"

Origin: Latin (Gaius)

American English South Asian Universal

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Jay Rank #397

Callister Rank #43,579

Jay is more popular, ranked #397 vs #43579 for Callister.

Is Jay or Callister more popular?

Jay is more popular, ranked #397 compared to Callister at #43579 in the United States.

What do Jay and Callister mean?

Jay means "to rejoice, joyful" (Latin (Gaius) origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Jay and Callister boy or girl names?

Jay is primarily a boy name. Callister is primarily a boy name.