Callister vs Sincere

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 #605 Most Popular 2 Syllables

"genuine, honest, without deceit"

Origin: Latin

American African American

✓ All Clear

Callister Rank #43,579

Sincere Rank #605

Sincere is more popular, ranked #605 vs #43579 for Callister.

Is Callister or Sincere more popular?

Sincere is more popular, ranked #605 compared to Callister at #43579 in the United States.

What do Callister and Sincere mean?

Callister means "defender of men" (Greek via Gaelic origin). Sincere means "genuine, honest, without deceit" (Latin origin).

Are Callister and Sincere boy or girl names?

Callister is primarily a boy name. Sincere is primarily a boy name.