Theo vs Callan

Baby Name Comparison — 2026

Theo

Boy #80 Most Popular 2 Syllables

"gift of God"

Origin: Greek (theodoros)

English Greek French German American

✓ All Clear

Boy #242 Most Popular 2 Syllables

"little battle"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Theo Rank #80

Callan Rank #242

Theo is more popular, ranked #80 vs #242 for Callan.

Is Theo or Callan more popular?

Theo is more popular, ranked #80 compared to Callan at #242 in the United States.

What do Theo and Callan mean?

Theo means "gift of God" (Greek (theodoros) origin). Callan means "little battle" (Scottish Gaelic origin).

Are Theo and Callan boy or girl names?

Theo is primarily a boy name. Callan is primarily a boy name.