Selene vs Theodore

Baby Name Comparison — 2026

Selene

Girl #674 Most Popular 3 Syllables

Meaning

"moon, light"

Origin: Greek

Cultural Roots

Greek Italian Spanish French

Quick Stats

Popularity Rank
#674
Total SSA Count
424
Syllables
3
Formality
Formal
Nicknames
Selly, Lena, Sel

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Selene' rhymes with 'mean'"}

Full profile for Selene →

Popularity Comparison

Selene Rank #674
Theodore Rank #4

Theodore is more popular, ranked #4 vs #674 for Selene.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Selene ___

  • Selene Rose
  • Selene Marie
  • Selene Grace
  • Selene Aurora
  • Selene Jade
  • Selene Faye

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 Selene

Athena Chloe Iris Luna Apollo

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 Selene or Theodore more popular?

Theodore is more popular, ranked #4 compared to Selene at #674 in the United States.

What do Selene and Theodore mean?

Selene means "moon, light" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Selene and Theodore boy or girl names?

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

More Comparisons

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