Katharine vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Katharine Rank #4,801
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4801 for Katharine.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katharine ___

  • Katharine Rose
  • Katharine Anne
  • Katharine Jane
  • Katharine Grace
  • Katharine Elizabeth
  • Katharine Louise

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 Katharine

Eleanor Margaret William Henry Charlotte

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Katharine or Theodore more popular?

Theodore is more popular, ranked #4 compared to Katharine at #4801 in the United States.

What do Katharine and Theodore mean?

Katharine means "pure, clean" (Greek 'katharos' origin). Theodore means "divine gift" (Greek origin).

Are Katharine and Theodore boy or girl names?

Katharine is primarily a girl name. Theodore is primarily a boy name.

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