Billy vs Dillon

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 #870 Most Popular 2 Syllables

"great tide, son of the sea"

Origin: Welsh

Irish Welsh American English

✓ All Clear

Billy Rank #1,051

Dillon Rank #870

Dillon is more popular, ranked #870 vs #1051 for Billy.

Is Billy or Dillon more popular?

Dillon is more popular, ranked #870 compared to Billy at #1051 in the United States.

What do Billy and Dillon mean?

Billy means "resolute protector" (Old German via Norman French origin). Dillon means "great tide, son of the sea" (Welsh origin).

Are Billy and Dillon boy or girl names?

Billy is primarily a boy name. Dillon is primarily a boy name.