Aider vs Theodore

Baby Name Comparison — 2026

Aider

Boy #19,000 Most Popular 2 Syllables

Meaning

"One who helps or assists"

Origin: English

Cultural Roots

English American

Quick Stats

Popularity Rank
#19,000
Total SSA Count
6
Syllables
2
Formality
Casual
Nicknames
Aid, Aide

Playground Safety Score

✓ All Clear
Full profile for Aider →

Popularity Comparison

Aider Rank #19,000
Theodore Rank #4

Theodore is more popular, ranked #4 vs #19000 for Aider.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aider ___

  • Aider James
  • Aider Cole
  • Aider Lee
  • Aider Blake
  • Aider River
  • Aider Grant

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 Aider

Caden Ryder Ember Sloane Quinn

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 Aider or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aider at #19000 in the United States.

What do Aider and Theodore mean?

Aider means "One who helps or assists" (English origin). Theodore means "divine gift" (Greek origin).

Are Aider and Theodore boy or girl names?

Aider is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Aider Aider vs Andor Aider vs Des Aider vs Jazire Aider vs Jovial
← Full profile: Aider ← Full profile: Theodore Browse all baby names