Frederick vs Theodore

Baby Name Comparison — 2026

Frederick

Boy #424 Most Popular 3 Syllables

Meaning

"peaceful ruler"

Origin: Germanic

Cultural Roots

English German Scandinavian French American

Quick Stats

Popularity Rank
#424
Total SSA Count
741
Syllables
3
Formality
Formal
Nicknames
Fred, Freddy, Rick

Playground Safety Score

8 High Risk

{:type=>:rhyme_pattern, :severity=>:low, :message=>"'Frederick' ending sounds like 'sick/thick/dick'"}

Full profile for Frederick →

Popularity Comparison

Frederick Rank #424
Theodore Rank #4

Theodore is more popular, ranked #4 vs #424 for Frederick.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Frederick ___

  • Frederick James
  • Frederick William
  • Frederick Charles
  • Frederick John
  • Frederick Henry
  • Frederick Louis

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 Frederick

Eleanor Charlotte George Arthur Margaret

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 Frederick or Theodore more popular?

Theodore is more popular, ranked #4 compared to Frederick at #424 in the United States.

What do Frederick and Theodore mean?

Frederick means "peaceful ruler" (Germanic origin). Theodore means "divine gift" (Greek origin).

Are Frederick and Theodore boy or girl names?

Frederick is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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