Guillermo vs Santos

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

Santos

Boy #832 Most Popular 2 Syllables

Meaning

"saints, the holy ones"

Origin: Latin sanctus (holy)

Cultural Roots

Spanish Portuguese Latin American Filipino Italian

Quick Stats

Popularity Rank
#832
Total SSA Count
297
Syllables
2
Formality
Moderate
Nicknames
Santi, San

Playground Safety Score

All Clear

Popularity Comparison

Guillermo Rank #833
Santos Rank #832

Santos is more popular, ranked #832 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

Santos ___

  • Santos Angel
  • Santos Miguel
  • Santos Jose
  • Santos Luis
  • Santos Antonio
  • Santos Emilio

Sibling Name Ideas

Names that pair well as siblings.

If you choose Guillermo

Fernando Ricardo Alejandra Lucia Isabella

If you choose Santos

Jesus Angel Carmen Cruz Pilar

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 Santos more popular?

Santos is more popular, ranked #832 compared to Guillermo at #833 in the United States.

What do Guillermo and Santos mean?

Guillermo means "resolute protector" (Old High German wil (will) + helm (protection) origin). Santos means "saints, the holy ones" (Latin sanctus (holy) origin).

Are Guillermo and Santos boy or girl names?

Guillermo is primarily a boy name. Santos is primarily a boy name.

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