Caizen vs Theodore

Baby Name Comparison — 2026

Caizen

Boy #8,791 Most Popular 2 Syllables

Meaning

"continuous improvement, change for the better"

Origin: Japanese

Cultural Roots

Japanese American

Quick Stats

Popularity Rank
#8,791
Total SSA Count
10
Syllables
2
Formality
Casual
Nicknames
Cai, Zen

Playground Safety Score

✓ All Clear
Full profile for Caizen →

Popularity Comparison

Caizen Rank #8,791
Theodore Rank #4

Theodore is more popular, ranked #4 vs #8791 for Caizen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caizen ___

  • Caizen James
  • Caizen River
  • Caizen Cole
  • Caizen Axel
  • Caizen 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 Caizen

Zane Kylo Remy Sage

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 Caizen or Theodore more popular?

Theodore is more popular, ranked #4 compared to Caizen at #8791 in the United States.

What do Caizen and Theodore mean?

Caizen means "continuous improvement, change for the better" (Japanese origin). Theodore means "divine gift" (Greek origin).

Are Caizen and Theodore boy or girl names?

Caizen is primarily a boy name. Theodore is primarily a boy name.

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