Eider vs Theodore

Baby Name Comparison — 2026

Eider

Boy #1,022 Most Popular 2 Syllables

Meaning

"from the Eider river"

Origin: Germanic/Nordic

Cultural Roots

Basque German Scandinavian

Quick Stats

Popularity Rank
#1,022
Total SSA Count
217
Syllables
2
Formality
Moderate
Nicknames
Eid, Idy

Playground Safety Score

✓ All Clear
Full profile for Eider →

Popularity Comparison

Eider Rank #1,022
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1022 for Eider.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Eider ___

  • Eider James
  • Eider Marco
  • Eider Vicente
  • Eider Ander
  • Eider Unai
  • Eider Gorka

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 Eider

Iker Nerea Asier Amaia Unai

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 Eider or Theodore more popular?

Theodore is more popular, ranked #4 compared to Eider at #1022 in the United States.

What do Eider and Theodore mean?

Eider means "from the Eider river" (Germanic/Nordic origin). Theodore means "divine gift" (Greek origin).

Are Eider and Theodore boy or girl names?

Eider is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Eider Eider vs Marcello Eider vs Vihaan Eider vs Aslan Eider vs Viraj
← Full profile: Eider ← Full profile: Theodore Browse all baby names