Riley vs Thomas

Baby Name Comparison — 2026

Riley

Boy #229 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

✓ All Clear

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

English French German Spanish Irish

✓ All Clear

Riley Rank #229

Thomas Rank #39

Thomas is more popular, ranked #39 vs #229 for Riley.

Is Riley or Thomas more popular?

Thomas is more popular, ranked #39 compared to Riley at #229 in the United States.

What do Riley and Thomas mean?

Riley means "courageous, valiant" (Irish origin). Thomas means "Twin" (Aramaic origin).

Are Riley and Thomas boy or girl names?

Riley is primarily a boy name. Thomas is primarily a boy name.