Casius vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Casius Rank #32,947
Theodore Rank #4

Theodore is more popular, ranked #4 vs #32947 for Casius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casius ___

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 Casius

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 Casius or Theodore more popular?

Theodore is more popular, ranked #4 compared to Casius at #32947 in the United States.

What do Casius and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Casius and Theodore boy or girl names?

Casius is primarily a boy name. Theodore is primarily a boy name.

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