Syrius vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Syrius Rank #34,135
Theodore Rank #4

Theodore is more popular, ranked #4 vs #34135 for Syrius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Syrius ___

No pairings available yet.

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 Syrius

No sibling data available yet.

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 Syrius or Theodore more popular?

Theodore is more popular, ranked #4 compared to Syrius at #34135 in the United States.

What do Syrius and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Syrius and Theodore boy or girl names?

Syrius is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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