McKinley (surname) McKinley (surname) McKinley is a Scottish and Irish surname historically associated with northwestern Ireland's County Donegal, and the over-kingdom of Ulaid in northeastern Ireland and the Scottish Highlands. The McKinley are of the ancient Ulaid race and are a branch of its "Red Branch" MacDunleavy (dynasty) royal house of the Dal Fiatach which dominated the kingship of the over-kingdom of Ulaid (original Gaelic language Mac Duinnshléibhe). Etymology for the origins of the surname proposes that the Anglicized surname McKinley, like the surname MacNulty (Gaelic Mac an Ultaigh, trans. "son of the ultonian, ulidian or ulsterman"), arose originally from a Gaelic
McAllen (surname) hereditary connections with the popular surname Allen. The noble family of this surname, from which a branch went to Portugal, is descended from one Alanus de Buckenhall. The U.S. city of McAllen, Texas was named after Scottish-American businessman John B McAllen. McAllen (surname) McAllen is an Scots Gaelic surname, originating from "MacAllen" in Scotland. Historically, the name has migrated to Ireland, where the prefix of the name has been commonly transposed with "Mc". The first recorded arrivals to Ireland bearing this name came in the 15th century to County Donegal, with the arrival of Gallowglas military families to support the