Aizen vs Theodore

Baby Name Comparison — 2026

Aizen

Boy #1,008 Most Popular 2 Syllables

Meaning

"love and goodness"

Origin: Japanese

Cultural Roots

Japanese American

Quick Stats

Popularity Rank
#1,008
Total SSA Count
223
Syllables
2
Formality
Casual
Nicknames
Ai, Zen

Playground Safety Score

✓ All Clear
Full profile for Aizen →

Popularity Comparison

Aizen Rank #1,008
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1008 for Aizen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aizen ___

  • Aizen James
  • Aizen Cole
  • Aizen Wolf
  • Aizen Ren
  • Aizen Grey
  • Aizen River

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 Aizen

Ryker Zane Kai Sage Remi

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 Aizen or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aizen at #1008 in the United States.

What do Aizen and Theodore mean?

Aizen means "love and goodness" (Japanese origin). Theodore means "divine gift" (Greek origin).

Are Aizen and Theodore boy or girl names?

Aizen is primarily a boy name. Theodore is primarily a boy name.

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