Guillermo vs Aurelio

Baby Name Comparison — 2026

Guillermo

Boy #833 Most Popular 3 Syllables

"resolute protector"

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

Spanish Latin American Filipino Portuguese

✓ All Clear

Boy #775 Most Popular 4 Syllables

"golden"

Origin: Latin

Italian Spanish Portuguese Latin American

✓ All Clear

Guillermo Rank #833

Aurelio Rank #775

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

Is Guillermo or Aurelio more popular?

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

What do Guillermo and Aurelio mean?

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

Are Guillermo and Aurelio boy or girl names?

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