Kayleigh vs Theodore

Baby Name Comparison — 2026

Kayleigh

Girl #732 Most Popular 2 Syllables

Meaning

"slender, slim and fair"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish English American

Quick Stats

Popularity Rank
#732
Total SSA Count
385
Syllables
2
Formality
Casual
Nicknames
Kay, Kayle, Lee

Playground Safety Score

All Clear

Popularity Comparison

Kayleigh Rank #732
Theodore Rank #4

Theodore is more popular, ranked #4 vs #732 for Kayleigh.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kayleigh ___

  • Kayleigh Anne
  • Kayleigh Marie
  • Kayleigh Grace
  • Kayleigh Rose
  • Kayleigh Dawn
  • Kayleigh Lynn

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 Kayleigh

Brody Caelan Sienna Finley Rory

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 Kayleigh or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kayleigh at #732 in the United States.

What do Kayleigh and Theodore mean?

Kayleigh means "slender, slim and fair" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kayleigh and Theodore boy or girl names?

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

More Comparisons