Ky vs Theodore

Baby Name Comparison — 2026

Ky

Boy #4,301 Most Popular 1 Syllable

Meaning

"sky (variant of Kai)"

Origin: Multiple

Cultural Roots

American Scandinavian Scottish

Quick Stats

Popularity Rank
#4,301
Total SSA Count
25
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Ky →

Popularity Comparison

Ky Rank #4,301
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4301 for Ky.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ky ___

  • Ky James
  • Ky Lee
  • Ky Cole
  • Ky Dean
  • Ky Blake
  • Ky Reed

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 Ky

Kai Zay Jax Beau Wren

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 Ky or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ky at #4301 in the United States.

What do Ky and Theodore mean?

Ky means "sky (variant of Kai)" (Multiple origin). Theodore means "divine gift" (Greek origin).

Are Ky and Theodore boy or girl names?

Ky is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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