Billion vs Theodore

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 →

Popularity Comparison

Billion Rank #6,121
Theodore Rank #4

Theodore is more popular, ranked #4 vs #6121 for Billion.

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

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Billion

Ace Chance Rebel Sterling Major

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Theodore more popular?

Theodore is more popular, ranked #4 compared to Billion at #6121 in the United States.

What do Billion and Theodore mean?

Billion means "one thousand million, immense wealth" (English/French origin). Theodore means "divine gift" (Greek origin).

Are Billion and Theodore boy or girl names?

Billion is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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