Guillermo vs Ignacio

Baby Name Comparison — 2026

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 →

Ignacio

Boy #824 Most Popular 4 Syllables

Meaning

"fiery, ardent"

Origin: Latin folk etymology (ignis = fire)

Cultural Roots

Spanish Italian Portuguese Latin American

Quick Stats

Popularity Rank
#824
Total SSA Count
302
Syllables
4
Formality
Formal
Nicknames
Nacho, Iggy, Nachito

Playground Safety Score

✓ All Clear
Full profile for Ignacio →

Popularity Comparison

Guillermo Rank #833
Ignacio Rank #824

Ignacio is more popular, ranked #824 vs #833 for Guillermo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Guillermo ___

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

Ignacio ___

  • Ignacio Luis
  • Ignacio Rafael
  • Ignacio Miguel
  • Ignacio Antonio
  • Ignacio Carlos
  • Ignacio Javier

Sibling Name Ideas

Names that pair well as siblings.

If you choose Guillermo

Fernando Ricardo Alejandra Lucia Isabella

If you choose Ignacio

Santiago Mateo Valentina Isabella Lucia

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 Guillermo or Ignacio more popular?

Ignacio is more popular, ranked #824 compared to Guillermo at #833 in the United States.

What do Guillermo and Ignacio mean?

Guillermo means "resolute protector" (Old High German wil (will) + helm (protection) origin). Ignacio means "fiery, ardent" (Latin folk etymology (ignis = fire) origin).

Are Guillermo and Ignacio boy or girl names?

Guillermo is primarily a boy name. Ignacio is primarily a boy name.

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← Full profile: Guillermo ← Full profile: Ignacio Browse all baby names