Diago vs Theodore

Baby Name Comparison — 2026

Diago

Boy #4,144 Most Popular 3 Syllables

Meaning

"supplanter"

Origin: Hebrew via Latin

Cultural Roots

Spanish Latin American Portuguese

Quick Stats

Popularity Rank
#4,144
Total SSA Count
26
Syllables
3
Formality
Moderate
Nicknames
Di, Ago

Playground Safety Score

✓ All Clear
Full profile for Diago →

Popularity Comparison

Diago Rank #4,144
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4144 for Diago.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Diago ___

  • Diago Alejandro
  • Diago Manuel
  • Diago Carlos
  • Diago Felipe
  • Diago Rafael
  • Diago Antonio

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 Diago

Mateo Sebastian Valentina Isabella Camila

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 Diago or Theodore more popular?

Theodore is more popular, ranked #4 compared to Diago at #4144 in the United States.

What do Diago and Theodore mean?

Diago means "supplanter" (Hebrew via Latin origin). Theodore means "divine gift" (Greek origin).

Are Diago and Theodore boy or girl names?

Diago is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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