The Scottish surname McAfee, also found in northern Ireland, is ananglicized form of the Gaelic name Mac Dhuibhshíthe meaning “son of Duibhshíth,” a personal name composed of the elements dubh meaning “black” and  síth meaning “peace.” The name is first recorded in the United States n 1746 when immigration records show the arrival of Anna McAfee in Philadelphia. Today there are approximately 12,000 bearers of the name living in the United States.