Ace vs Callister

Baby Name Comparison — 2026

Ace

Boy #165 Most Popular 1 Syllable

"unity; the best; one"

Origin: Latin via Old French

American English Australian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Ace Rank #165

Callister Rank #43,579

Ace is more popular, ranked #165 vs #43579 for Callister.

Is Ace or Callister more popular?

Ace is more popular, ranked #165 compared to Callister at #43579 in the United States.

What do Ace and Callister mean?

Ace means "unity; the best; one" (Latin via Old French origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Ace and Callister boy or girl names?

Ace is primarily a boy name. Callister is primarily a boy name.