Aithan vs Theodore

Baby Name Comparison — 2026

Aithan

Boy #4,385 Most Popular 2 Syllables

Meaning

"strong, enduring, firm"

Origin: Hebrew

Cultural Roots

American Christian English

Quick Stats

Popularity Rank
#4,385
Total SSA Count
24
Syllables
2
Formality
Moderate
Nicknames
Aith

Playground Safety Score

All Clear

Popularity Comparison

Aithan Rank #4,385
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4385 for Aithan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aithan ___

  • Aithan James
  • Aithan Cole
  • Aithan Michael
  • Aithan Lee
  • Aithan River
  • Aithan Scott

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 Aithan

Ethan Nathan Lila Emma Noah

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 Aithan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aithan at #4385 in the United States.

What do Aithan and Theodore mean?

Aithan means "strong, enduring, firm" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Aithan and Theodore boy or girl names?

Aithan is primarily a boy name. Theodore is primarily a boy name.

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