Ian vs Theo

Baby Name Comparison — 2026

Ian

Boy #75 Most Popular 2 Syllables

"God is gracious"

Origin: Scottish Gaelic

Scottish British Irish American

✓ All Clear

Boy #80 Most Popular 2 Syllables

"gift of God"

Origin: Greek (theodoros)

English Greek French German American

✓ All Clear

Ian Rank #75

Theo Rank #80

Ian is more popular, ranked #75 vs #80 for Theo.

Is Ian or Theo more popular?

Ian is more popular, ranked #75 compared to Theo at #80 in the United States.

What do Ian and Theo mean?

Ian means "God is gracious" (Scottish Gaelic origin). Theo means "gift of God" (Greek (theodoros) origin).

Are Ian and Theo boy or girl names?

Ian is primarily a boy name. Theo is primarily a boy name.