Guillermo

Resolute protector

boySpanish

How does Guillermo feel alongside your favorites? Talk through the sound, meaning and fit with your family.

Guillermo meaning & origin

Guillermo is listed in our catalog as a boy name. Its listed meaning is "Resolute protector". Listed origin: Spanish.

Pronunciation

gee-YAIR-moh

Catalog phonetic spelling

Popularity

In 2024, Guillermo ranked #832 in US Social Security name records for male births. This is the latest verified year in our catalog, not a live ranking.

Nicknames

Gui

Guillermo popularity by year

US Social Security birth-name ranks. A smaller rank means more recorded births in the reported sex category.
Birth yearRank
2020#832
2021#812
2022#850
2023#834
2024#832

Source: Social Security Administration. US data is not a worldwide measure of usage. Missing years are not zero births.

Middle Name Ideas

  • Guillermo James
  • Guillermo Alexander
  • Guillermo William
  • Guillermo Thomas

Famous Namesakes

  • Guillermo del Toro (film director)

Sources & notes

Meanings, origins, pronunciations, and namesakes are catalog entries that have not yet completed source-by-source editorial review. Nicknames and middle-name pairings are ideas to try, not usage statistics. We show birth-name ranks only when the record includes source-file provenance; missing data is not evidence of rarity.

The pronunciation button uses your device's speech voice, not a native-speaker recording.

Turn a name you like into a shortlist.

Compare sound, try the full name aloud, and find the names you want to come back to.

Frequently Asked Questions About Guillermo

What does the name Guillermo mean?

Guillermo is listed in our catalog as a boy name. Its listed meaning is "Resolute protector". Listed origin: Spanish.

How do you pronounce Guillermo?

Our catalog's pronunciation guide is gee-YAIR-moh. Pronunciation can vary by language and family.

How popular is the name Guillermo?

In 2024, Guillermo ranked #832 in US Social Security name records for male births. This is the latest verified year in our catalog, not a live ranking.

What nickname ideas could work for Guillermo?

Ideas to try include Gui. These are suggestions, not a measure of usage.

What middle names could work with Guillermo?

Try Guillermo James, Guillermo Alexander, Guillermo William, Guillermo Thomas aloud with your surname. These pairings are subjective suggestions.

Still deciding on the perfect name?

Save Guillermo to your shortlist, swipe through thousands of names, and find the one you and your partner both love.

Discover more names