Killian vs Roy

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #542 Most Popular 1 Syllable

"red (hair color)"

Origin: Scottish Gaelic

Scottish English American Dutch

✓ All Clear

Killian Rank #370

Roy Rank #542

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

Is Killian or Roy more popular?

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

What do Killian and Roy mean?

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

Are Killian and Roy boy or girl names?

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