Koy vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Koy Rank #3,455
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3455 for Koy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Koy ___

  • Koy James
  • Koy Lee
  • Koy Ray
  • Koy Allen
  • Koy Wayne
  • Koy Dale

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 Koy

Roy Troy Joy May Kai

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 Koy or Theodore more popular?

Theodore is more popular, ranked #4 compared to Koy at #3455 in the United States.

What do Koy and Theodore mean?

Koy means "victorious people" (Greek via Dutch origin). Theodore means "divine gift" (Greek origin).

Are Koy and Theodore boy or girl names?

Koy is primarily a boy name. Theodore is primarily a boy name.

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