Fen vs Theodore

Baby Name Comparison — 2026

Fen

Boy #16,280 Most Popular 1 Syllable

Meaning

"marsh, boggy ground"

Origin: Old English

Cultural Roots

English British

Quick Stats

Popularity Rank
#16,280
Total SSA Count
7
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Fen →

Popularity Comparison

Fen Rank #16,280
Theodore Rank #4

Theodore is more popular, ranked #4 vs #16280 for Fen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Fen ___

  • Fen Oliver
  • Fen James
  • Fen William
  • Fen Thomas
  • Fen Alexander

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 Fen

Marsh Glen Dale Heath Moor

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 Fen or Theodore more popular?

Theodore is more popular, ranked #4 compared to Fen at #16280 in the United States.

What do Fen and Theodore mean?

Fen means "marsh, boggy ground" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Fen and Theodore boy or girl names?

Fen is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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