Rhys vs Theodore

Baby Name Comparison — 2026

Rhys

Boy #354 Most Popular 1 Syllable

Meaning

"enthusiasm, passion"

Origin: Old Welsh

Cultural Roots

Welsh British Australian

Quick Stats

Popularity Rank
#354
Total SSA Count
946
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rhys →

Popularity Comparison

Rhys Rank #354
Theodore Rank #4

Theodore is more popular, ranked #4 vs #354 for Rhys.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Rhys ___

  • Rhys Owen
  • Rhys Liam
  • Rhys David
  • Rhys Morgan
  • Rhys Evan
  • Rhys Gareth

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 Rhys

Seren Nia Cai Carys Bryn

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 Rhys or Theodore more popular?

Theodore is more popular, ranked #4 compared to Rhys at #354 in the United States.

What do Rhys and Theodore mean?

Rhys means "enthusiasm, passion" (Old Welsh origin). Theodore means "divine gift" (Greek origin).

Are Rhys and Theodore boy or girl names?

Rhys is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Rhys Rhys vs Jay Rhys vs Eduardo Rhys vs Sonny Rhys vs Eliam
← Full profile: Rhys ← Full profile: Theodore Browse all baby names