Sirus vs Theodore

Baby Name Comparison — 2026

Sirus

Boy #6,665 Most Popular 2 Syllables

Meaning

"sun, throne"

Origin: Old Persian

Cultural Roots

Persian Iranian Greek American

Quick Stats

Popularity Rank
#6,665
Total SSA Count
13
Syllables
2
Formality
Formal
Nicknames
Si, Cy

Playground Safety Score

✓ All Clear
Full profile for Sirus →

Popularity Comparison

Sirus Rank #6,665
Theodore Rank #4

Theodore is more popular, ranked #4 vs #6665 for Sirus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sirus ___

  • Sirus James
  • Sirus Alexander
  • Sirus Michael
  • Sirus William
  • Sirus Lee
  • Sirus Thomas

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 Sirus

Darius Xerxes Aryan Yasmin Shirin

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 Sirus or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sirus at #6665 in the United States.

What do Sirus and Theodore mean?

Sirus means "sun, throne" (Old Persian origin). Theodore means "divine gift" (Greek origin).

Are Sirus and Theodore boy or girl names?

Sirus is primarily a boy name. Theodore is primarily a boy name.

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