Kate vs Theodore

Baby Name Comparison — 2026

Kate

Girl #535 Most Popular 1 Syllable

Meaning

"pure, clear"

Origin: Greek

Cultural Roots

English American Irish British Australian

Quick Stats

Popularity Rank
#535
Total SSA Count
569
Syllables
1
Formality
Moderate
Nicknames
Katie, Kay

Playground Safety Score

✓ All Clear
Full profile for Kate →

Popularity Comparison

Kate Rank #535
Theodore Rank #4

Theodore is more popular, ranked #4 vs #535 for Kate.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kate ___

  • Kate Elizabeth
  • Kate Louise
  • Kate Amelia
  • Kate Rose
  • Kate Alexandra
  • Kate Anne

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 Kate

William Henry Emma Charlotte George

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 Kate or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kate at #535 in the United States.

What do Kate and Theodore mean?

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

Are Kate and Theodore boy or girl names?

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

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