Theo vs Riley

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 #229 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

✓ All Clear

Theo Rank #80

Riley Rank #229

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

Is Theo or Riley more popular?

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

What do Theo and Riley mean?

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

Are Theo and Riley boy or girl names?

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