Eirian vs Theodore

Baby Name Comparison — 2026

Eirian

Boy #6,400 Most Popular 3 Syllables

Meaning

"silver, bright, shining"

Origin: Welsh arian (silver)

Cultural Roots

Welsh British

Quick Stats

Popularity Rank
#6,400
Total SSA Count
14
Syllables
3
Formality
Formal
Nicknames
Ei, Eri, Rian

Playground Safety Score

✓ All Clear
Full profile for Eirian →

Popularity Comparison

Eirian Rank #6,400
Theodore Rank #4

Theodore is more popular, ranked #4 vs #6400 for Eirian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Eirian ___

  • Eirian James
  • Eirian Owen
  • Eirian Rhys
  • Eirian Iwan
  • Eirian Gareth
  • Eirian Lloyd

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 Eirian

Seren Rhiannon Cerys Bethan Rhys

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 Eirian or Theodore more popular?

Theodore is more popular, ranked #4 compared to Eirian at #6400 in the United States.

What do Eirian and Theodore mean?

Eirian means "silver, bright, shining" (Welsh arian (silver) origin). Theodore means "divine gift" (Greek origin).

Are Eirian and Theodore boy or girl names?

Eirian is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Eirian Eirian vs Eyan Eirian vs Saadiq Eirian vs Keyleth Eirian vs Kaiir
← Full profile: Eirian ← Full profile: Theodore Browse all baby names