Billion vs Caspar

Baby Name Comparison — 2026

Billion

Boy #6,121 Most Popular 2 Syllables

Meaning

"one thousand million, immense wealth"

Origin: English/French

Cultural Roots

American English

Quick Stats

Popularity Rank
#6,121
Total SSA Count
15
Syllables
2
Formality
Casual
Nicknames
Billy, Bill, Billie

Playground Safety Score

✓ All Clear
Full profile for Billion →

Caspar

Boy #6,197 Most Popular 2 Syllables

Meaning

"treasurer, keeper of treasure"

Origin: Persian

Cultural Roots

German Dutch Scandinavian English

Quick Stats

Popularity Rank
#6,197
Total SSA Count
15
Syllables
2
Formality
Moderate
Nicknames
Cas, Caz

Playground Safety Score

✓ All Clear
Full profile for Caspar →

Popularity Comparison

Billion Rank #6,121
Caspar Rank #6,197

Billion is more popular, ranked #6121 vs #6197 for Caspar.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Billion ___

  • Billion James
  • Billion Lee
  • Billion Scott
  • Billion Ray
  • Billion Cole
  • Billion Dean

Caspar ___

  • Caspar James
  • Caspar William
  • Caspar Henry
  • Caspar Frederick
  • Caspar August

Sibling Name Ideas

Names that pair well as siblings.

If you choose Billion

Ace Chance Rebel Sterling Major

If you choose Caspar

Balthazar Felix Cecily Imogen Hugo

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 Billion or Caspar more popular?

Billion is more popular, ranked #6121 compared to Caspar at #6197 in the United States.

What do Billion and Caspar mean?

Billion means "one thousand million, immense wealth" (English/French origin). Caspar means "treasurer, keeper of treasure" (Persian origin).

Are Billion and Caspar boy or girl names?

Billion is primarily a boy name. Caspar is primarily a boy name.

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← Full profile: Billion ← Full profile: Caspar Browse all baby names