Callister vs Teo

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 #759 Most Popular 2 Syllables

"gift of God"

Origin: Greek

Spanish Italian Greek Latin American Romanian

✓ All Clear

Callister Rank #43,579

Teo Rank #759

Teo is more popular, ranked #759 vs #43579 for Callister.

Is Callister or Teo more popular?

Teo is more popular, ranked #759 compared to Callister at #43579 in the United States.

What do Callister and Teo mean?

Callister means "defender of men" (Greek via Gaelic origin). Teo means "gift of God" (Greek origin).

Are Callister and Teo boy or girl names?

Callister is primarily a boy name. Teo is primarily a boy name.