McAfee /ˈmækəfiː/ is a surname of Irish and Scottish origin. The name is an Anglicisation of the Gaelic Mac Dhuibhshíthe, meaning "son of Duibhshíth". The personal name, Duibhshíth, was composed of two elements: dubh meaning "black", and síth meaning "peace". The surname has been in Ireland since the seventeenth century. McAfee is less numerous than Mahaffy, a name of similar origin.
List of persons with the surname
References
McAfee (surname) Wikipedia(Text) CC BY-SA