Alfonso vs Theodore

Baby Name Comparison — 2026

Alfonso

Boy #925 Most Popular 3 Syllables

Meaning

"noble and ready"

Origin: Visigothic Germanic

Cultural Roots

Spanish Italian Portuguese

Quick Stats

Popularity Rank
#925
Total SSA Count
251
Syllables
3
Formality
Moderate
Nicknames
Al, Fonsi, Fonso

Playground Safety Score

✓ All Clear
Full profile for Alfonso →

Popularity Comparison

Alfonso Rank #925
Theodore Rank #4

Theodore is more popular, ranked #4 vs #925 for Alfonso.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alfonso ___

  • Alfonso Luis
  • Alfonso Miguel
  • Alfonso José
  • Alfonso Carlos
  • Alfonso Antonio
  • Alfonso Rafael

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 Alfonso

Isabela Carmen Rafael Catalina Diego

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 Alfonso or Theodore more popular?

Theodore is more popular, ranked #4 compared to Alfonso at #925 in the United States.

What do Alfonso and Theodore mean?

Alfonso means "noble and ready" (Visigothic Germanic origin). Theodore means "divine gift" (Greek origin).

Are Alfonso and Theodore boy or girl names?

Alfonso is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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