Billy vs Allan

Baby Name Comparison — 2026

Billy

Boy #1,051 Most Popular 2 Syllables

"resolute protector"

Origin: Old German via Norman French

English American Australian Irish

✓ All Clear

Boy #854 Most Popular 2 Syllables

"rock, harmony"

Origin: Celtic/Brythonic

Scottish English French American

✓ All Clear

Billy Rank #1,051

Allan Rank #854

Allan is more popular, ranked #854 vs #1051 for Billy.

Is Billy or Allan more popular?

Allan is more popular, ranked #854 compared to Billy at #1051 in the United States.

What do Billy and Allan mean?

Billy means "resolute protector" (Old German via Norman French origin). Allan means "rock, harmony" (Celtic/Brythonic origin).

Are Billy and Allan boy or girl names?

Billy is primarily a boy name. Allan is primarily a boy name.