Ryan vs Callister

Baby Name Comparison — 2026

Ryan

Boy #87 Most Popular 2 Syllables

"little king"

Origin: Irish Gaelic (O'Riain)

Irish English American

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Ryan Rank #87

Callister Rank #43,579

Ryan is more popular, ranked #87 vs #43579 for Callister.

Is Ryan or Callister more popular?

Ryan is more popular, ranked #87 compared to Callister at #43579 in the United States.

What do Ryan and Callister mean?

Ryan means "little king" (Irish Gaelic (O'Riain) origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Ryan and Callister boy or girl names?

Ryan is primarily a boy name. Callister is primarily a boy name.