Mahaffy is a surname of Scottish origin, and is an Anglicisation of the Gaelic name Mac Dhuibhshithe. It is a sept of Clan Macfie in Scotland, but the clan originated in Ireland. There the name is found largely in County Donegal, Ulster.Family Facts Ancestry.com. Retrieved on 2007-10-10
People with the surname Mahaffy include: Arthur Arnold Mahaffy (1861–1947), Canadian politician Arthur William Mahaffy (1869–1919), British colonial administrator Daniel Mahaffy (born 2005), English footballer George Mahaffy (1924–1980), American racing driver James Mahaffy (1905–1986), Canadian politician John Mahaffy (ice hockey) (1918–2015), Canadian hockey player John Pentland Mahaffy (1839–1919), Irish academic Leslie Mahaffy (1976–1991), Canadian murder victim
See also Mahaffey, a variant of the surname
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