Donnino / Domnus / Donato

Donnino is a diminutive form of the Late Latin name Domnus, which means 'lord' or 'master'. The suffix '-ino' is a common Italian diminutive ending, indicating 'little' or 'dear'. The name was historically used in Italy, particularly in Tuscany, and was often given to children as a term of endearment or respect, implying a 'little lord' or 'young master'.

The name has strong ties to early Christian saints. Saint Donnino of Fidenza, a martyr from the 3rd or 4th century, is a prominent figure associated with the name. His veneration in Italy helped to solidify the name's presence and popularity in certain regions, particularly in Emilia-Romagna where Fidenza is located. The name, while not widely popular globally, maintains a historical and cultural significance in Italy.