Guilherme
gwee-YAIR-mee
Guilherme is a boy’s name of English origin, meaning “Portuguese and Brazilian form of William, meaning 'resolute protector' or 'helmet of will'.”. It currently ranks #12902 in the US, and peaked in popularity in 2006.
What Guilherme Means
“Portuguese and Brazilian form of William, meaning 'resolute protector' or 'helmet of will'.”
The Story of Guilherme
Centuries ago, knights whispered this name before battle, and it still carries the echo of their unwavering resolve to you.
Guilherme is the Portuguese and Brazilian form of William, a name forged in the Norman conquest of England. Its roots lie in the Germanic elements 'wil' meaning 'will' or 'desire,' and 'helm' meaning 'helmet' or 'protection.' The name traveled from the Germanic tribes through Frankish and Norman French into England, eventually being adopted by royalty and nobility, and spreading with exploration to the New World.
Imagine whispering 'Guilherme' as you hold your son for the first time. The sound is strong, resonant, a promise of steadfastness. This name carries the weight of ancient shields and the quiet determination of a protector, a legacy you'll feel every time you say his name, a shield you offer him.
Nickname Watch
Kids pick up nicknames whether parents plan for it or not. Make sure you love the short forms too.
AI Features
Unlock Guilherme’s Full Story
AI consultant · Sibling matches · Cultural deep-dive · Compatibility scores
🔒 No credit card needed
Numerology
The Adventurer
Free-spirited, adaptable, and curious. These names carry energy of change and exploration.
Personality Traits
Peak Year
#39 in 2006
Total Births
514
First Recorded
1921
More Names Like Guilherme
View allJack
English
Meaning
Jack is a diminutive of John, meaning 'God is gracious'. It is of English origin.
Hudson
English
Meaning
Derived from an English surname, meaning "son of Hudd". Hudd is a medieval diminutive of Hugh, derived from the Germanic element "hugu" meaning "heart, mind, spirit".
Jackson
English
Meaning
Means 'son of Jack'. Jack is a diminutive of John, meaning 'God is gracious'.
Explore related name groups
Save Guilherme to your favorites list