Billy vs Ollie

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 #1,044 Most Popular 2 Syllables

"olive tree"

Origin: Latin via English

English American British Scandinavian

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Ollie' can be twisted to 'jolly'"}

Billy Rank #1,051

Ollie Rank #1,044

Ollie is more popular, ranked #1044 vs #1051 for Billy.

Is Billy or Ollie more popular?

Ollie is more popular, ranked #1044 compared to Billy at #1051 in the United States.

What do Billy and Ollie mean?

Billy means "resolute protector" (Old German via Norman French origin). Ollie means "olive tree" (Latin via English origin).

Are Billy and Ollie boy or girl names?

Billy is primarily a boy name. Ollie is primarily a boy name.