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
McLoughlin McLoughlin McLoughlin is one of nearly two dozen Anglicisms for three Gaelic-Irish surnames: Mac/Nic Lochlainn (most commonly Anglicised "McLaughlin"), Ó/Ni Máoilsheáchlainn (usually "McLoughlin" or "M'Loughlin"), and Mac/Nic Lochnaigh (usually rendered Loughney but occasionally "McLoughlin" or "MacLoughlin"). "Mac" and "Ó" are masculine prefixes; "Ni/Nic" is feminine. Mac is rendered into English as "Mac", "Mc" and "M"'. Ó is rendered "O' ". The feminine prefix is rendered into English according to its masculine counterpart (e.g. Nic na Mhara > McNamara, Ni hEaghra > O'Hara). They are used with names that originated as patronymics. Occasionally, the prefix "Mael/Maol" is Anglicised "Mac/Mc". The surname