Ruby vs Theodore

Baby Name Comparison — 2026

Ruby

Girl #63 Most Popular 2 Syllables

Meaning

"red, ruby-colored"

Origin: Old French

Cultural Roots

English American

Quick Stats

Popularity Rank
#63
Total SSA Count
3,517
Syllables
2
Formality
Moderate
Nicknames
Rube, Rue

Playground Safety Score

✓ All Clear
Full profile for Ruby →

Popularity Comparison

Ruby Rank #63
Theodore Rank #4

Theodore is more popular, ranked #4 vs #63 for Ruby.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ruby ___

  • Ruby Rose
  • Ruby Ann
  • Ruby Grace
  • Ruby Mae
  • Ruby Claire
  • Ruby Jane

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 Ruby

Pearl Opal Jasper Violet Iris

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 Ruby or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ruby at #63 in the United States.

What do Ruby and Theodore mean?

Ruby means "red, ruby-colored" (Old French origin). Theodore means "divine gift" (Greek origin).

Are Ruby and Theodore boy or girl names?

Ruby is primarily a girl name. Theodore is primarily a boy name.

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