Eiden vs Theodore

Baby Name Comparison — 2026

Eiden

Boy #807 Most Popular 2 Syllables

Meaning

"fire (from the sun god Aodh)"

Origin: Irish Gaelic

Cultural Roots

American Irish

Quick Stats

Popularity Rank
#807
Total SSA Count
311
Syllables
2
Formality
Casual
Nicknames
Ei, Den, Eddie

Playground Safety Score

✓ All Clear
Full profile for Eiden →

Popularity Comparison

Eiden Rank #807
Theodore Rank #4

Theodore is more popular, ranked #4 vs #807 for Eiden.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Eiden ___

  • Eiden James
  • Eiden Cole
  • Eiden Reid
  • Eiden Scott
  • Eiden Blake
  • Eiden Grey

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 Eiden

Liam Finn Declan Nora Chloe

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 Eiden or Theodore more popular?

Theodore is more popular, ranked #4 compared to Eiden at #807 in the United States.

What do Eiden and Theodore mean?

Eiden means "fire (from the sun god Aodh)" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Eiden and Theodore boy or girl names?

Eiden is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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