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What does Guilherme mean?

Guilherme Pronunciation of Guilherme [guil-herme] as a boys' name is of Old German derivation, and the name Guilherme means "determined protector". Guilherme is a variant form of Guillaume (Old German): French transcription of William.

Associated with: determined (faithful), protector (defender).


2 related forms via Guillaume: Gillermo and Guillermo.

Creative forms:


Middle name pairings:
Guilherme Maurice (G.M.), ..

How popular is Guilherme?

Guilherme is a rare first name for males but a somewhat popular last name for both adults and children (#121780 out of 150436, Top 81%). (2000 U.S. Census)

Which version is better?

with its source form and related boy names. Guillermo (#660 in 2015) is the only popular alternative form of Guilherme (outside Top 2000). This form of Guilherme was popular as a baby name in 1996 (#352) and is somewhat less conventional today (#660, 44.1%). (Top 2000 Names, 2015)

Top 2000 baby names ranking of Guillermo in U.S.

Top 100 baby names ranking of Guilherme and related baby names outside U.S.

Similar Names

Suggested similar names are Gilbert, Gilberto, Gilderoy, Gillette, Gilmer, Gilmore, Gualterio, Guglielmo, Guilbert, Guilford, Gunther, Guthree and Guthrie. These names tend to be more commonly used than Guilherme.

See names
in meaning and etymology.