William vs Jasper

Baby Name Comparison — 2026

William

Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

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Boy #133 Most Popular 2 Syllables

"treasurer, keeper of treasure"

Origin: Persian

English Dutch German

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William Rank #10

Jasper Rank #133

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

Is William or Jasper more popular?

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

What do William and Jasper mean?

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

Are William and Jasper boy or girl names?

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