Cas vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Cas Rank #8,670
Theodore Rank #4

Theodore is more popular, ranked #4 vs #8670 for Cas.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cas ___

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 Cas

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 Cas or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cas at #8670 in the United States.

What do Cas and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Cas and Theodore boy or girl names?

Cas is primarily a boy name. Theodore is primarily a boy name.

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