Callister vs Tru

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 #618 Most Popular 1 Syllable

"true, faithful, genuine"

Origin: Old English

American

✓ All Clear

Callister Rank #43,579

Tru Rank #618

Tru is more popular, ranked #618 vs #43579 for Callister.

Is Callister or Tru more popular?

Tru is more popular, ranked #618 compared to Callister at #43579 in the United States.

What do Callister and Tru mean?

Callister means "defender of men" (Greek via Gaelic origin). Tru means "true, faithful, genuine" (Old English origin).

Are Callister and Tru boy or girl names?

Callister is primarily a boy name. Tru is primarily a boy name.