Jasper vs William

Baby Name Comparison — 2026

Jasper

Boy #133 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

English Dutch German

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Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

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Jasper Rank #133

William Rank #10

William is more popular, ranked #10 vs #133 for Jasper.

Is Jasper or William more popular?

William is more popular, ranked #10 compared to Jasper at #133 in the United States.

What do Jasper and William mean?

Jasper means "treasurer, keeper of treasure" (Persian origin). William means "resolute protector, strong-willed guardian" (Germanic origin).

Are Jasper and William boy or girl names?

Jasper is primarily a boy name. William is primarily a boy name.