Gilli Family History
Gilli Surname Meaning
Swiss German and South German: from a pet form of the personal name Gill ‘Giles’. Italian: patronymic or plural form of the personal name Gillio a vernacular derivative of Aegilius a later form of Latin Aegidius (see Giles).
French (southern): of Italian origin (see 2 above) or a variant of Gilles.
Source: Dictionary of American Family Names 2nd edition, 2022
