McLaughlin (surname) McLaughlin (surname) M(a)cLaughlin is the most common English form of "Mac Lochlainn", a masculine surname of Irish origin. The feminine form of the surname is "Nic Lochlainn". The literal meaning of the name is "son of "Lochlann"". Note that "Mc" is simply a contraction of "Mac", which is also (albeit rarely) truncated to "M' ". Thus, "MacLaughlin", "McLaughlin" and "M'Laughlin" are the same Anglicism, the latter two merely contractions of the first. The original surname Mac/Nic Lochlainn was borne by a family of Cenél nEógain, a branch of the historic northern O'Neill dynasty, reputedly founded by Niall Noígíallach. This family
Leavy surname Leavy may appear prefixed with the Gaelic language "Mac" or even "Mc", "MacA" and "MacE". Notable people with the surname include: Leavy Leavy (Lay-Vee) is a Scottish surname. It arose from the Scots slurring of the surname of the Irish MacDunleavy (dynasty) (Gaelic language MacDuinnshléibhe) royals, exiled in the still Celts Highlands of Scotland after the 12th century English conquest of the last remnants of the Dunleavy’s, thereto, though reduced, still sovereign Irish state in southeastern Ulster, that is the (Ulaidh (province). The Dunleavy/MacNulty (Gaelic language Mac an Ultaigh, for an individual of the Ulaidh tribe) were the last