Peter vs Theodore

Baby Name Comparison — 2026

Peter

Boy #192 Most Popular 2 Syllables

Meaning

"rock, stone"

Origin: Greek

Cultural Roots

English Greek Dutch Scandinavian German

Quick Stats

Popularity Rank
#192
Total SSA Count
1,889
Syllables
2
Formality
Moderate
Nicknames
Pete, Per

Playground Safety Score

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Peter' can be twisted to 'peter'"}

Full profile for Peter →

Popularity Comparison

Peter Rank #192
Theodore Rank #4

Theodore is more popular, ranked #4 vs #192 for Peter.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Peter ___

  • Peter James
  • Peter Alexander
  • Peter John
  • Peter William
  • Peter Henry
  • Peter Thomas

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 Peter

John Mary Thomas Catherine Elizabeth

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 Peter or Theodore more popular?

Theodore is more popular, ranked #4 compared to Peter at #192 in the United States.

What do Peter and Theodore mean?

Peter means "rock, stone" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Peter and Theodore boy or girl names?

Peter is primarily a boy name. Theodore is primarily a boy name.

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