Theodore vs Trillion

Baby Name Comparison — 2026

Popularity Comparison

Theodore Rank #4
Trillion Rank #5,802

Theodore is more popular, ranked #4 vs #5802 for Trillion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Theodore ___

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

Trillion ___

  • Trillion James
  • Trillion Michael
  • Trillion Lee
  • Trillion Kai
  • Trillion Alexander

Sibling Name Ideas

Names that pair well as siblings.

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

If you choose Trillion

Billion Phoenix Sterling Legend Nova

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 Theodore or Trillion more popular?

Theodore is more popular, ranked #4 compared to Trillion at #5802 in the United States.

What do Theodore and Trillion mean?

Theodore means "divine gift" (Greek origin). Trillion means "one million million (10^12)" (French/English origin).

Are Theodore and Trillion boy or girl names?

Theodore is primarily a boy name. Trillion is primarily a boy name.

More Comparisons

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← Full profile: Theodore ← Full profile: Trillion Browse all baby names