Issac vs Callister

Baby Name Comparison — 2026

Issac

Boy #856 Most Popular 2 Syllables

"laughter"

Origin: Hebrew

English American Jewish Christian African-American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Issac Rank #856

Callister Rank #43,579

Issac is more popular, ranked #856 vs #43579 for Callister.

Is Issac or Callister more popular?

Issac is more popular, ranked #856 compared to Callister at #43579 in the United States.

What do Issac and Callister mean?

Issac means "laughter" (Hebrew origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Issac and Callister boy or girl names?

Issac is primarily a boy name. Callister is primarily a boy name.