Casey vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Casey Rank #310
Theodore Rank #4

Theodore is more popular, ranked #4 vs #310 for Casey.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casey ___

  • Casey Casey James
  • Casey Casey Alexander
  • Casey Casey Thomas
  • Casey Casey Michael
  • Casey Casey Owen

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 Casey

Riley Logan Peyton Avery Quinn

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 Casey or Theodore more popular?

Theodore is more popular, ranked #4 compared to Casey at #310 in the United States.

What do Casey and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Casey and Theodore boy or girl names?

Casey is primarily a boy name. Theodore is primarily a boy name.

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