Jasper vs William

Baby Name Comparison — 2026

Jasper

Boy #133 Most Popular 2 Syllables

Meaning

"treasurer, keeper of treasure"

Origin: Persian

Cultural Roots

English Dutch German

Quick Stats

Popularity Rank
#133
Total SSA Count
2,750
Syllables
2
Formality
Moderate
Nicknames
Jas, Jazz

Playground Safety Score

✓ All Clear
Full profile for Jasper →

William

Boy #10 Most Popular 3 Syllables

Meaning

"resolute protector, strong-willed guardian"

Origin: Germanic

Cultural Roots

English German French

Quick Stats

Popularity Rank
#10
Total SSA Count
10,596
Syllables
3
Formality
Formal
Nicknames
Will, Bill, Billy

Playground Safety Score

✓ All Clear
Full profile for William →

Popularity Comparison

Jasper Rank #133
William Rank #10

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

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jasper ___

  • Jasper Theodore
  • Jasper Elliot
  • Jasper Cole
  • Jasper Henry
  • Jasper Reid
  • Jasper Fox

William ___

  • William James
  • William Thomas
  • William Henry
  • William Alexander
  • William Edward
  • William Charles

Sibling Name Ideas

Names that pair well as siblings.

If you choose Jasper

Atticus Hugo Cecily Beatrice Cassius

If you choose William

Charlotte Eleanor Amelia Olivia Henry

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

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.

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