Arnoldo vs Theodore

Baby Name Comparison — 2026

Arnoldo

Boy #3,750 Most Popular 3 Syllables

Meaning

"eagle ruler, eagle power"

Origin: Old High German

Cultural Roots

Italian Spanish Latin American German

Quick Stats

Popularity Rank
#3,750
Total SSA Count
30
Syllables
3
Formality
Moderate
Nicknames
Arn, Arno, Noldo

Playground Safety Score

✓ All Clear
Full profile for Arnoldo →

Popularity Comparison

Arnoldo Rank #3,750
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3750 for Arnoldo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Arnoldo ___

  • Arnoldo Luis
  • Arnoldo Miguel
  • Arnoldo Antonio
  • Arnoldo José
  • Arnoldo Carlos
  • Arnoldo Manuel

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 Arnoldo

Rinaldo Armando Rolando Carla Giulia

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 Arnoldo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Arnoldo at #3750 in the United States.

What do Arnoldo and Theodore mean?

Arnoldo means "eagle ruler, eagle power" (Old High German origin). Theodore means "divine gift" (Greek origin).

Are Arnoldo and Theodore boy or girl names?

Arnoldo is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Arnoldo Arnoldo vs Oberon Arnoldo vs Sammuel Arnoldo vs Lander Arnoldo vs Deondre
← Full profile: Arnoldo ← Full profile: Theodore Browse all baby names