Guglielmo - name meaning, origin

The boy's name Guglielmo \g(u)-gliel-mo, gug-lie-lmo\ is a variant of Guillaume (Old German) and William (Old German), and the meaning of Guglielmo is "will helmet, protection".

Guglielmo is an uncommon first name for men but a very common last name for both men and women (#13051 out of 88799). (1990 U.S. Census)

Displayed below is the baby name popularity trend for the boy name Guglielmo. Compare Guglielmo with its source forms and related boy names.