Alistair vs Billy

Baby Name Comparison — 2026

Alistair

Boy #910 Most Popular 3 Syllables

"defender of men"

Origin: Greek

Scottish British Australian Canadian

✓ All Clear

Boy #1,051 Most Popular 2 Syllables

"resolute protector"

Origin: Old German via Norman French

English American Australian Irish

✓ All Clear

Alistair Rank #910

Billy Rank #1,051

Alistair is more popular, ranked #910 vs #1051 for Billy.

Is Alistair or Billy more popular?

Alistair is more popular, ranked #910 compared to Billy at #1051 in the United States.

What do Alistair and Billy mean?

Alistair means "defender of men" (Greek origin). Billy means "resolute protector" (Old German via Norman French origin).

Are Alistair and Billy boy or girl names?

Alistair is primarily a boy name. Billy is primarily a boy name.