Guilherme Name Meaning & Origin
Guilherme
Origin of the name William:
From the Old Norman French Willaume, which is derived from the Old High German Willehelm, a compound name composed from the elements willeo (will, determination) and helm (protection, helmet): hence, "resolute protector." William is the most popular name introduced to England by the Normans. It was borne by William the Conqueror (1027? - 87), who invaded England and defeated Harald at the Battle of Hastings, and by three other kings of England.
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US Popularity of Guilherme Over Time

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- Personal experiences with the name Guilherme
I had a classmate named Guilherme when I was in 3rd grade.
- Nicknames for Guilherme
Gui (Gee)
- Meanings and history of the name Guilherme
Portuguese form of William.
- Famous real-life people named Guilherme
Miguel Guilherme, Portuguese actor
Guilherme Sauerbronn Jacinto, animator of "WALL-E" (2008), "Up" (2009), and "Toy Story 3" (2010)
Guilherme Berenguer, Brazilian TV actor
Guilherme Weber, Brazilian actorGuilherme Marconi, Brazilian designer
Guilherme Posser da Costa, Prime Minister of São Tomé and Príncipe
- Guilherme in song, story & screen