Callan vs Theo

Baby Name Comparison — 2026

Callan

Boy #242 Most Popular 2 Syllables

"little battle"

Origin: Scottish Gaelic

Scottish Irish American

✓ All Clear

Boy #80 Most Popular 2 Syllables

"gift of God"

Origin: Greek (theodoros)

English Greek French German American

✓ All Clear

Callan Rank #242

Theo Rank #80

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

Is Callan or Theo more popular?

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

What do Callan and Theo mean?

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

Are Callan and Theo boy or girl names?

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