Ellie vs Theodore

Baby Name Comparison — 2026

Ellie

Girl #21 Most Popular 2 Syllables

Meaning

"bright, shining light"

Origin: Greek

Cultural Roots

English American Irish Australian

Quick Stats

Popularity Rank
#21
Total SSA Count
6,306
Syllables
2
Formality
Casual
Nicknames
Ell, Ely, Elie

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Ellie' rhymes with 'smelly'"}

Full profile for Ellie →

Popularity Comparison

Ellie Rank #21
Theodore Rank #4

Theodore is more popular, ranked #4 vs #21 for Ellie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ellie ___

  • Ellie Mae
  • Ellie Rose
  • Ellie Grace
  • Ellie Jane
  • Ellie Kate
  • Ellie Claire

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 Ellie

Sophie Oliver Jack Ruby Charlie

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 Ellie or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ellie at #21 in the United States.

What do Ellie and Theodore mean?

Ellie means "bright, shining light" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Ellie and Theodore boy or girl names?

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

More Comparisons

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