Riley vs Theo

Baby Name Comparison — 2026

Riley

Boy #229 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

✓ All Clear

Boy #80 Most Popular 2 Syllables

"gift of God"

Origin: Greek (theodoros)

English Greek French German American

✓ All Clear

Riley Rank #229

Theo Rank #80

Theo is more popular, ranked #80 vs #229 for Riley.

Is Riley or Theo more popular?

Theo is more popular, ranked #80 compared to Riley at #229 in the United States.

What do Riley and Theo mean?

Riley means "courageous, valiant" (Irish origin). Theo means "gift of God" (Greek (theodoros) origin).

Are Riley and Theo boy or girl names?

Riley is primarily a boy name. Theo is primarily a boy name.