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What does Guglielmo mean?

Guglielmo Pronunciation of Guglielmo [gugliel-mo] as a boys' name is of Old German derivation, and the name Guglielmo means "determined protector". Guglielmo is a version of Guillaume (Old German): French form of William.

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


1 alternative form via Guillaume, William: Guillermo.

Creative forms:


Middle name pairings:
Guglielmo Taylor (G.T.), ..

How popular is Guglielmo?

Guglielmo is an uncommon first name for men but a very popular surname for both adults and children (#13820 out of 150436, Top 9%). (2000 U.S. Demographics)

Which version is better?

with its source forms and related boy names. Guillermo (#660 in recent rankings) and William (#5) are the prominent related forms of Guglielmo (not ranked) listed in the Top 2000. These forms of Guglielmo were at the peak of their popularity during the years 1880-1889 (adoption of 7.75%) and have become much less popular since (adoption 0.85%, 89%). (2015 Birth Statistics)

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

Top 100 baby names ranking of William outside U.S.

Similar Names

Recommended names are Angelmo, Gabriello, Galileo, Gamliel (see Gamaliel), Gillermo, Gualterio, Gualtiero, Guilherme and Guriel. Like Guglielmo, these names are not commonly used.

See names
in meaning and etymology.