Roy vs Killian

Baby Name Comparison — 2026

Roy

Boy #542 Most Popular 1 Syllable

"red (hair color)"

Origin: Scottish Gaelic

Scottish English American Dutch

✓ All Clear

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Roy Rank #542

Killian Rank #370

Killian is more popular, ranked #370 vs #542 for Roy.

Is Roy or Killian more popular?

Killian is more popular, ranked #370 compared to Roy at #542 in the United States.

What do Roy and Killian mean?

Roy means "red (hair color)" (Scottish Gaelic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Roy and Killian boy or girl names?

Roy is primarily a boy name. Killian is primarily a boy name.