Riley vs Callister

Baby Name Comparison — 2026

Riley

Boy #229 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Riley Rank #229

Callister Rank #43,579

Riley is more popular, ranked #229 vs #43579 for Callister.

Is Riley or Callister more popular?

Riley is more popular, ranked #229 compared to Callister at #43579 in the United States.

What do Riley and Callister mean?

Riley means "courageous, valiant" (Irish origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Riley and Callister boy or girl names?

Riley is primarily a boy name. Callister is primarily a boy name.