Billy vs Brendan

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 #1,013 Most Popular 2 Syllables

"prince, chieftain"

Origin: Celtic

Irish American English Australian

✓ All Clear

Billy Rank #1,051

Brendan Rank #1,013

Brendan is more popular, ranked #1013 vs #1051 for Billy.

Is Billy or Brendan more popular?

Brendan is more popular, ranked #1013 compared to Billy at #1051 in the United States.

What do Billy and Brendan mean?

Billy means "resolute protector" (Old German via Norman French origin). Brendan means "prince, chieftain" (Celtic origin).

Are Billy and Brendan boy or girl names?

Billy is primarily a boy name. Brendan is primarily a boy name.