Kaiyan vs Theodore

Baby Name Comparison — 2026

Kaiyan

Boy #5,525 Most Popular 2 Syllables

Meaning

"universe, cosmos"

Origin: Persian

Cultural Roots

Persian Iranian Indian

Quick Stats

Popularity Rank
#5,525
Total SSA Count
17
Syllables
2
Formality
Moderate
Nicknames
Kai, Yan

Playground Safety Score

✓ All Clear
Full profile for Kaiyan →

Popularity Comparison

Kaiyan Rank #5,525
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5525 for Kaiyan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaiyan ___

  • Kaiyan Aryan
  • Kaiyan Darius
  • Kaiyan Reza
  • Kaiyan Cyrus
  • Kaiyan Arash
  • Kaiyan Rostam

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 Kaiyan

Cyrus Darius Shirin Roxana Arash

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 Kaiyan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaiyan at #5525 in the United States.

What do Kaiyan and Theodore mean?

Kaiyan means "universe, cosmos" (Persian origin). Theodore means "divine gift" (Greek origin).

Are Kaiyan and Theodore boy or girl names?

Kaiyan is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Kaiyan Kaiyan vs Jamiyl Kaiyan vs Soan Kaiyan vs Olyver Kaiyan vs Prayan
← Full profile: Kaiyan ← Full profile: Theodore Browse all baby names