McGuffin is a surname of Irish origin, thought to originate from County Donegal. It is an Anglicized form of the Gaelic Mag Dhuibhfinn. Notable people with the surname include:
M(a)cLaughlin is the most common Anglicized 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 truncated to M' . Thus, MacLaughlin, McLaughlin and M'Laughlin are the same Anglicism, the latter two merely contractions of the first.
McArdle or MacArdle is an Irish surname. It originates in County Monaghan, where it was the fifth most common surname in 1970. The surname in Irish is MacArdghail, from ardghal, meaning 'high valour' or from the Irish "ardghail" meaning "tall foreigner" with roots "ard" meaning "tall" and "gail" meaning "foreigner", indicative of their original ancestor being a Viking or from Viking stock. The surname is also common in County Armagh and County Louth.
McCaffrey, sometimes spelled Caffrey or McCaffery, is an Irish surname. It is found mostly in the Counties Fermanagh, Monaghan, Cavan and Tyrone in the north west of Ireland. Ballymccaffrey is a townland outside Tempo in county Fermanagh. The surname is an Anglicised form of the Gaelic names Mac Gafraidh, Mac Gofraidh, which mean "son of Gafraidh", "son of Gofraidh". The Gaelic names are forms of the Old Norse Guðfróðr. Notable people with the surname include:
McKernan is an Irish surname originating in Cavan.
McGuckin is an anglicization of the Irish surname Mag Eocháin. The female form of the name in Irish is Nic Eocháin. This surname is most common in south County Londonderry followed by east County Tyrone, both in Northern Ireland. The surname translates as "Son of Eocha" or "Eochán", a diminutive of the name Eochaidh. Similar to the Scottish Gaelic name Eachann. The McGuckin sept are thought to be of the Cenél nEógain of the Uí Néill.
McAuliffe or MacAuliffe is a surname of Norse Irish origin. The name is an Anglicisation of the Gaelic Mac Amhlaoibh, meaning "son of Amhlaoibh". The Gaelic name, Amhlaoibh, was derived from the Old Norse personal name Olaf. The surname occurs frequently in Munster, especially northern County Cork, western County Limerick, and eastern County Kerry. The McAuliffes were a sept, related to the McCarthys.
McAdams or MacAdams is a surname of Scottish origin. It may refer to:
McQuade is a surname of Irish origin, from the County Monaghan and other surrounding areas in Ulster. It originated as a variation of McCaul, and similar spellings include McQuaid and McQuaide. Notable people with the surname include:
McVeigh is a surname of Scottish and Irish origin from Gaelic Mac Bheatha or Mac an Bheatha, and a bearer of Mac Beatha is mentioned in the Annals as taking part in the battle of Clontarf in 1014. The name is common in east Ulster, particularly Armagh. Variations include MacVay, MacVey, McVeagh. Notable people with the surname include:
McGarry is a surname of Irish origin meaning "the son of Fearadhach." It is the 422nd most common surname in Ireland, and 722nd in Scotland.
McNamee is a surname of Irish origin. The original Gaelic version, Mac Conmidhe means "Son of the hound of Meath".
McCullagh is a surname. Notable people with the surname include:
Hoey is an Irish surname. Spelling variations include: O'Hoey, Haughey, McCaughey, Hoy and McKeogh, among others. The original Irish spelling is Ó hEochaidh.
McIvor and MacIvor are anglicised forms of the Irish and Scottish Gaelic Mac Íomhair, meaning "son of Íomhar". Other variants McKeever and McIver.
McGarvey is an Irish surname. Notable people with the surname include:
McCausland, meaning "Son of Absolom" is a surname of Irish origin; there is also a clan of this name in Scotland. The family claim descent from the Cenel Eoghain race in Derry and Tyrone, a branch of the Ui Neil.
McMichael is a Scottish surname meaning "son of Michael".
McGeough is a surname. Notable people with the surname include:
McGiffin is a surname. Notable people with the surname include:
McAdam, MacAdam or Macadam is a Scottish Gaelic clan which originated as a branch of Clan Gregor. As a surname it is most prominent in the Galloway and Ayrshire regions of Scotland. Some of their descendants are also to be found in Ireland, the United States, Australia and Canada.