McMullin
McMullin is a surname of Irish origin, derived from the Gaelic Mac Muillin, meaning "son of Muilleann." The name Muilleann itself is thought to be a diminutive of "muileann," meaning "mill." This suggests that the original bearer of the name may have been the son of a miller or lived near a mill. The McMullin surname is most commonly found in Ireland, particularly in the provinces of Ulster and Connacht.
Over time, the McMullin family spread beyond Ireland, with significant populations found in countries such as