Billy vs Aizen

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 #1,008 Most Popular 2 Syllables

"love and goodness"

Origin: Japanese

Japanese American

✓ All Clear

Billy Rank #1,051

Aizen Rank #1,008

Aizen is more popular, ranked #1008 vs #1051 for Billy.

Is Billy or Aizen more popular?

Aizen is more popular, ranked #1008 compared to Billy at #1051 in the United States.

What do Billy and Aizen mean?

Billy means "resolute protector" (Old German via Norman French origin). Aizen means "love and goodness" (Japanese origin).

Are Billy and Aizen boy or girl names?

Billy is primarily a boy name. Aizen is primarily a boy name.