Lucas vs William

Baby Name Comparison — 2026

Lucas

Boy #9 Most Popular 2 Syllables

"from Lucania"

Origin: Latin

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Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

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Lucas Rank #9

William Rank #10

Lucas is more popular, ranked #9 vs #10 for William.

Is Lucas or William more popular?

Lucas is more popular, ranked #9 compared to William at #10 in the United States.

What do Lucas and William mean?

Lucas means "from Lucania" (Latin origin). William means "resolute protector, strong-willed guardian" (Germanic origin).

Are Lucas and William boy or girl names?

Lucas is primarily a boy name. William is primarily a boy name.