Kaiya vs Theodore

Baby Name Comparison — 2026

Kaiya

Girl #855 Most Popular 2 Syllables

Meaning

"pure, chaste"

Origin: Scandinavian (from Katherine)

Cultural Roots

American Scandinavian Japanese English

Quick Stats

Popularity Rank
#855
Total SSA Count
314
Syllables
2
Formality
Casual
Nicknames
Kai, Kay

Playground Safety Score

✓ All Clear
Full profile for Kaiya →

Popularity Comparison

Kaiya Rank #855
Theodore Rank #4

Theodore is more popular, ranked #4 vs #855 for Kaiya.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaiya ___

  • Kaiya Rose
  • Kaiya Mae
  • Kaiya Jade
  • Kaiya Lynn
  • Kaiya Belle
  • Kaiya Grace

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 Kaiya

Mia Aria Kai Nova Luna

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 Kaiya or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaiya at #855 in the United States.

What do Kaiya and Theodore mean?

Kaiya means "pure, chaste" (Scandinavian (from Katherine) origin). Theodore means "divine gift" (Greek origin).

Are Kaiya and Theodore boy or girl names?

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

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