Rion vs Theodore

Baby Name Comparison — 2026

Rion

Boy #3,381 Most Popular 2 Syllables

Meaning

"little king"

Origin: Old Irish

Cultural Roots

Irish Japanese English

Quick Stats

Popularity Rank
#3,381
Total SSA Count
35
Syllables
2
Formality
Moderate
Nicknames
Ri

Playground Safety Score

✓ All Clear
Full profile for Rion →

Popularity Comparison

Rion Rank #3,381
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3381 for Rion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Rion ___

  • Rion James
  • Rion Patrick
  • Rion Thomas
  • Rion Michael
  • Rion Sean

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 Rion

Finn Cian Niall Aisling Siobhan

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 Rion or Theodore more popular?

Theodore is more popular, ranked #4 compared to Rion at #3381 in the United States.

What do Rion and Theodore mean?

Rion means "little king" (Old Irish origin). Theodore means "divine gift" (Greek origin).

Are Rion and Theodore boy or girl names?

Rion is primarily a boy name. Theodore is primarily a boy name.

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