The surname McHugh is of Irish origin and is derived from the Gaelic name Mac Aodha, which means "son of Aodh." Aodh is an ancient Irish personal name that translates to "fire" or "fiery." The name Mac Aodha evolved over time into different forms, including MacHugh, McHugh, and McCue.The McHugh surname is primarily associated with families from Ireland, particularly in the western regions such as County Mayo and County Donegal.