Merion vs Theodore

Baby Name Comparison — 2026

Merion

Boy #19,441 Most Popular 3 Syllables

Meaning

"From Meirionnydd; of the Welsh coastal region"

Origin: Welsh

Cultural Roots

Welsh British

Quick Stats

Popularity Rank
#19,441
Total SSA Count
6
Syllables
3
Formality
Formal
Nicknames
Meri, Mer

Playground Safety Score

✓ All Clear
Full profile for Merion →

Popularity Comparison

Merion Rank #19,441
Theodore Rank #4

Theodore is more popular, ranked #4 vs #19441 for Merion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Merion ___

  • Merion James
  • Merion Owen
  • Merion David
  • Merion Rhys

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 Merion

Idris Emrys Rhys Caradoc

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 Merion or Theodore more popular?

Theodore is more popular, ranked #4 compared to Merion at #19441 in the United States.

What do Merion and Theodore mean?

Merion means "From Meirionnydd; of the Welsh coastal region" (Welsh origin). Theodore means "divine gift" (Greek origin).

Are Merion and Theodore boy or girl names?

Merion is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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