Aurelio vs Guillermo

Baby Name Comparison — 2026

Aurelio

Boy #775 Most Popular 4 Syllables

Meaning

"golden"

Origin: Latin

Cultural Roots

Italian Spanish Portuguese Latin American

Quick Stats

Popularity Rank
#775
Total SSA Count
323
Syllables
4
Formality
Formal
Nicknames
Aure, Relio, Leo

Playground Safety Score

✓ All Clear
Full profile for Aurelio →

Guillermo

Boy #833 Most Popular 3 Syllables

Meaning

"resolute protector"

Origin: Old High German wil (will) + helm (protection)

Cultural Roots

Spanish Latin American Filipino Portuguese

Quick Stats

Popularity Rank
#833
Total SSA Count
297
Syllables
3
Formality
Formal
Nicknames
Memo, Guille, Willy

Playground Safety Score

✓ All Clear
Full profile for Guillermo →

Popularity Comparison

Aurelio Rank #775
Guillermo Rank #833

Aurelio is more popular, ranked #775 vs #833 for Guillermo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aurelio ___

  • Aurelio Marco
  • Aurelio Luca
  • Aurelio Rafael
  • Aurelio Giovanni
  • Aurelio Dante
  • Aurelio Felix

Guillermo ___

  • Guillermo Alejandro
  • Guillermo Antonio
  • Guillermo Eduardo
  • Guillermo Rafael
  • Guillermo Miguel
  • Guillermo Carlos

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aurelio

Valentina Isabella Matteo Lorenzo Sofia

If you choose Guillermo

Fernando Ricardo Alejandra Lucia Isabella

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 Aurelio or Guillermo more popular?

Aurelio is more popular, ranked #775 compared to Guillermo at #833 in the United States.

What do Aurelio and Guillermo mean?

Aurelio means "golden" (Latin origin). Guillermo means "resolute protector" (Old High German wil (will) + helm (protection) origin).

Are Aurelio and Guillermo boy or girl names?

Aurelio is primarily a boy name. Guillermo is primarily a boy name.

More Comparisons

Guillermo vs Aurelio Aurelio vs Robin Aurelio vs Zen Aurelio vs Mathew Aurelio vs Yosef
← Full profile: Aurelio ← Full profile: Guillermo Browse all baby names