Niall vs Guy

Baby Name Comparison — 2026

Niall

Boy #1,586 Most Popular 1 Syllable

"champion"

Origin: Old Irish

Irish Scottish English

✓ All Clear

Boy #1,562 Most Popular 1 Syllable

"forest"

Origin: Germanic

English French Norman

✓ All Clear

Niall Rank #1,586

Guy Rank #1,562

Guy is more popular, ranked #1562 vs #1586 for Niall.

Is Niall or Guy more popular?

Guy is more popular, ranked #1562 compared to Niall at #1586 in the United States.

What do Niall and Guy mean?

Niall means "champion" (Old Irish origin). Guy means "forest" (Germanic origin).

Are Niall and Guy boy or girl names?

Niall is primarily a boy name. Guy is primarily a boy name.