Aj vs Theodore

Baby Name Comparison — 2026

Aj

Boy #2,341 Most Popular 2 Syllables

Meaning

"initial-name, typically Andrew James or Anthony John"

Origin: English

Cultural Roots

American English

Quick Stats

Popularity Rank
#2,341
Total SSA Count
60
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Aj →

Popularity Comparison

Aj Rank #2,341
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2341 for Aj.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aj ___

  • Aj James
  • Aj Michael
  • Aj Cole
  • Aj Lee
  • Aj Ray
  • Aj Blake

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 Aj

CJ TJ DJ RJ Kai

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 Aj or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aj at #2341 in the United States.

What do Aj and Theodore mean?

Aj means "initial-name, typically Andrew James or Anthony John" (English origin). Theodore means "divine gift" (Greek origin).

Are Aj and Theodore boy or girl names?

Aj is primarily a boy name. Theodore is primarily a boy name.

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