William vs Liam

Baby Name Comparison — 2026

William

Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

✓ All Clear

Boy #1 Most Popular 2 Syllables

"strong-willed warrior"

Origin: Irish

Irish English American

✓ All Clear

William Rank #10

Liam Rank #1

Liam is more popular, ranked #1 vs #10 for William.

Is William or Liam more popular?

Liam is more popular, ranked #1 compared to William at #10 in the United States.

What do William and Liam mean?

William means "resolute protector, strong-willed guardian" (Germanic origin). Liam means "strong-willed warrior" (Irish origin).

Are William and Liam boy or girl names?

William is primarily a boy name. Liam is primarily a boy name.