Kathryn vs Theodore

Baby Name Comparison — 2026

Kathryn

Girl #716 Most Popular 2 Syllables

Meaning

"pure, clear"

Origin: Greek katharos

Cultural Roots

English American Irish Scottish

Quick Stats

Popularity Rank
#716
Total SSA Count
391
Syllables
2
Formality
Formal
Nicknames
Kate, Kathy, Kat

Playground Safety Score

✓ All Clear
Full profile for Kathryn →

Popularity Comparison

Kathryn Rank #716
Theodore Rank #4

Theodore is more popular, ranked #4 vs #716 for Kathryn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kathryn ___

  • Kathryn Anne
  • Kathryn Elizabeth
  • Kathryn Marie
  • Kathryn Louise
  • Kathryn Grace
  • Kathryn Jane

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 Kathryn

Margaret Elizabeth William Thomas Eleanor

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 Kathryn or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kathryn at #716 in the United States.

What do Kathryn and Theodore mean?

Kathryn means "pure, clear" (Greek katharos origin). Theodore means "divine gift" (Greek origin).

Are Kathryn and Theodore boy or girl names?

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

More Comparisons

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