Casmir vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Casmir Rank #11,018
Theodore Rank #4

Theodore is more popular, ranked #4 vs #11018 for Casmir.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casmir ___

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 Casmir

No sibling data available yet.

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Casmir or Theodore more popular?

Theodore is more popular, ranked #4 compared to Casmir at #11018 in the United States.

What do Casmir and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Casmir and Theodore boy or girl names?

Casmir is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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