Klay vs Theodore

Baby Name Comparison — 2026

Klay

Boy #2,112 Most Popular 1 Syllable

Meaning

"clay, mortal man"

Origin: Old English

Cultural Roots

American English

Quick Stats

Popularity Rank
#2,112
Total SSA Count
71
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Klay →

Popularity Comparison

Klay Rank #2,112
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2112 for Klay.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Klay ___

  • Klay James
  • Klay Thomas
  • Klay Andrew
  • Klay Elliot
  • Klay Barrett
  • Klay Preston

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 Klay

Cade Beau Sloane Piper Tatum

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 Klay or Theodore more popular?

Theodore is more popular, ranked #4 compared to Klay at #2112 in the United States.

What do Klay and Theodore mean?

Klay means "clay, mortal man" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Klay and Theodore boy or girl names?

Klay is primarily a boy name. Theodore is primarily a boy name.

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