Guilherme
Portuguese · Boy · 2 syllables
Popularity & facts
Relative popularity index, 2010–2025Popularity over time
Popularity indexHistorical popularity from 1880–2025 · US Social Security Administration data
About the name Guilherme
Guilherme means "resolute protector" or "determined warrior," derived from the Germanic elements "wil" (will, desire) and "helm" (helmet, protection), filtered through Old German Wilhelm.
Cross-referenced with Wikidata/Wikipedia. AI-assisted, community-reviewable. Suggest an improvement.
Etymology
Guilherme means "resolute protector" or "determined warrior," derived from the Germanic elements "wil" (will, desire) and "helm" (helmet, protection), filtered through Old German Wilhelm. The name is primarily used in Portuguese and Brazilian cultures with Christian traditions, and has historical significance tied to European nobility and the Portuguese monarchy.
Guilherme currently ranks #9,195 in the United States as a boy's name. It reached its peak popularity around 2006.
Variants & nicknames
Contribute to this name
Help improve this page with a meaning, origin, or correction—and get credited as a contributor.
Share your knowledge about this name—meaning, origin, pronunciation, or correction. Your contribution is reviewed and credited with your name.
Login to contributeWe use Google & Facebook login — no password needed.
Sibling name ideas
Portuguese names that sit beautifully beside GuilhermeSimilar names you might like
Names starting with GMore names starting with G
- Gabin
- Gala
- Gabriela
- Gabriele
- Gael
- Gabriel
- Gaspard
- Ganesh
- Gaston
- Gabriella
- Gabrielle
- Gaurav
- Gaspar
- Gautam
- Gavin
- Gayatri
- Gaia
- Gauri
See all names like Guilherme →
Find middle names for Guilherme →
🧬 See Guilherme's popularity the year you were born →
🔢 Get Guilherme's free numerology report card →
💫 Is Guilherme your name? Get your free “My name means…” card →
👶 Have a Guilherme already? Find sibling names that fit →
Names that sound like Guilherme
Phonetic match, not just spelling"Guillermo means "resolute protector" or "strong-willed warrior," derived from the Germanic elements "wil" (will/desire) and "helm" (helmet/protection), filtered through Old…"
"Guillermine is the feminine form of Guillermo, derived from the Germanic name William, composed of the elements "wil" (will/desire) and…"
"Guilhermine is the feminine form of Guilherme (Portuguese/Brazilian Portuguese version of William), derived from the Germanic elements "wil" (will/desire) and…"
"Guilhermina is the feminine form of Guilherme (Portuguese/Galician for William), derived from the Germanic elements "wil" (will, desire) and "helm"…"
"The name 'Glorene' is a modern invented name, likely a feminine elaboration of the Latin word *gloria* meaning "glory," combined…"
"Guillerma is the feminine form of Guillermo, the Spanish equivalent of William, meaning "resolute protector" from the Germanic elements *wil*…"
"The name 'Gloriane' means "glory" or "glorious one," derived from the Latin word *gloria* (glory) combined with the feminine suffix…"
"Guilherm means "resolute protector" or "strong-willed defender," derived from the Germanic elements "wil" (will/desire) and "helm" (helmet/protection), which evolved through…"
"Gwilherm means "resolute protector" or "determined defender," derived from the Germanic elements "wil" (will/resolve) and "helm" (helmet/protection), making it the…"
"The name Gloriana means "glorious" or "of glory," derived from the Latin word *gloria* (glory) with the feminine suffix *-ana*."
"The name Glorine means "glory" or "glorious one," derived from the Latin word *gloria*."
"The given name 'Gullermo' is derived from the Germanic name 'Wilhelm', meaning 'resolute protector' or 'strong-willed warrior', with its linguistic…"