Katy vs Theodore

Baby Name Comparison — 2026

Katy

Girl #2,460 Most Popular 2 Syllables

Meaning

"each of the two"

Origin: Greek

Cultural Roots

English American Irish

Quick Stats

Popularity Rank
#2,460
Total SSA Count
73
Syllables
2
Formality
Casual
Nicknames
Kat, Kay

Playground Safety Score

✓ All Clear
Full profile for Katy →

Popularity Comparison

Katy Rank #2,460
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2460 for Katy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katy ___

  • Katy Mae
  • Katy Grace
  • Katy Ann
  • Katy Lynn
  • Katy Rose
  • Katy Jo

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 Katy

Tommy Billy Molly Lilly Danny

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 Katy or Theodore more popular?

Theodore is more popular, ranked #4 compared to Katy at #2460 in the United States.

What do Katy and Theodore mean?

Katy means "each of the two" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Katy and Theodore boy or girl names?

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

More Comparisons

Theodore vs Katy Katy vs Averly Katy vs Ali Katy vs Lizzie Katy vs Yvonne
← Full profile: Katy ← Full profile: Theodore Browse all baby names