Fenrir vs Theodore

Baby Name Comparison — 2026

Fenrir

Boy #5,500 Most Popular 2 Syllables

Meaning

"fen dweller, marsh wolf"

Origin: Old Norse

Cultural Roots

Norse/Scandinavian Germanic Fantasy/Gaming

Quick Stats

Popularity Rank
#5,500
Total SSA Count
17
Syllables
2
Formality
Casual
Nicknames
Fen, Reer

Playground Safety Score

All Clear

Popularity Comparison

Fenrir Rank #5,500
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5500 for Fenrir.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Fenrir ___

  • Fenrir Thor
  • Fenrir Erik
  • Fenrir James
  • Fenrir Wolf
  • Fenrir Gray
  • Fenrir Cole

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 Fenrir

Odin Loki Freya Astrid Bjorn

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 Fenrir or Theodore more popular?

Theodore is more popular, ranked #4 compared to Fenrir at #5500 in the United States.

What do Fenrir and Theodore mean?

Fenrir means "fen dweller, marsh wolf" (Old Norse origin). Theodore means "divine gift" (Greek origin).

Are Fenrir and Theodore boy or girl names?

Fenrir is primarily a boy name. Theodore is primarily a boy name.

More Comparisons