Knox vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Knox Rank #209
Theodore Rank #4

Theodore is more popular, ranked #4 vs #209 for Knox.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Knox ___

  • Knox James
  • Knox Oliver
  • Knox William
  • Knox Henry
  • Knox Alexander
  • Knox Reid

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 Knox

Ryder Lennox Jagger Saylor Piper

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 Knox or Theodore more popular?

Theodore is more popular, ranked #4 compared to Knox at #209 in the United States.

What do Knox and Theodore mean?

Knox means "round hill" (Old English/Scottish origin). Theodore means "divine gift" (Greek origin).

Are Knox and Theodore boy or girl names?

Knox is primarily a boy name. Theodore is primarily a boy name.

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