Callister vs Riley

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Boy #229 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

✓ All Clear

Callister Rank #43,579

Riley Rank #229

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

Is Callister or Riley more popular?

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

What do Callister and Riley mean?

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

Are Callister and Riley boy or girl names?

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