According to E. De Felice, Accorsi is the northern Italian form of a surname derived from the medieval personal name Accorso, while Accurso represents its southern counterpart. The name was widespread during the Late Middle Ages and originated from accorso, an old variant of soccorso (“help”), although it is more often interpreted as a shortened or hypocoristic form of Bonaccorso. De Felice classifies it as an auspicious name, traditionally given to a particularly awaited child, often after the loss of a previous child, symbolizing help, support, and hope for the family.

E. Rossoni agrees that the surname derives from the medieval name Accursus (Accorso), a personal name of good omen that could be bestowed upon a long-awaited child or one born after a family loss. He also notes that it was frequently used as an abbreviated form of Bonaccorso. Documentary evidence attests the name as early as 1221 in Spoleto, with additional records from the 14th century confirming its long-standing presence in Italy.

F. De Laurentiis supports this interpretation and highlights the surname’s strong presence in northern Italy and Tuscany, particularly in the Bologna area. He likewise traces its origin to the personal name Accorso, derived from soccorso (“help”) or from Bonaccorso, emphasizing its favorable and celebratory meaning as a name expressing the parents’ hopes for a child who would bring comfort, assistance, and prosperity to the family.