O Mongey - Moorehead
O Mongey or O Mungay - Irish / Ua Mongaigh.
A Sept / Family branch, who had their territory in Co. Meath in the south - east of Northern Leinster. Derivation as O Mangan and O Mongan.Mongney. See Montgomery.
O Mongovan. See O Mungavan.
Monk or Monks - manach (monk). Used as a synonym for Monahan and Mac Evanny, which see.
O Monnelly or O Monley or O Monillea or O Monylla or O Manley, O Mannelly and O Munnelly or O Manly or O Monagle - Irish / Ua Maonghaile. A Sept / Family branch, descended from Maonghal, who had their territory in Co. Mayo in the mid - west of the Connacht Province. Also in Northern Connacht and Co. Donegal in the west of the Ulster Province.
Mac Monroe, or Mac Munroe which see. Gaelic Irish / Mac an Rothaich. Also used by some of the Mellans and Milroys, which see.
Mons. Origins unknown as yet. They were in the east of Co. Galway in Southern Connacht. Synonymous with Monds and Munds, which see, in Co. Roscommon and nearby in Co. Sligo in the north - east of the Connacht Province.
Monsell. Norman origins. English Barons of Emly in Co. Tipperary in the north - east of the Munster Province. See also Maunsell.
Montague: Used as a synonym for Mac Tague, which see, in Co. Armagh and nearby in Co. Tyrone in Central Southern Ulster.
Montagu or Montague / de Montaigu. Norman toponymic origins.
Montane. See Mountain.
Monteith. Scottish origins. They came into Co. Tyrone in Central Southern Ulster and surrounding regions during the confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn northern Ui Niaill territories and the foreign non - Catholic plantations there in the Ulster Province.
Montgomery or Mongomery. French Norman toponymic origins. Mac Givern or Goonery or Maglammery and Mongney, which see, were used as synonyms in Co. Louth in the north - east of Northern Leinster and the surrounding regions. Originally in Co. Cork in Southern Munster and originally Gaelicized as Mheic Iomaire, which was also used for Ridge.
Some also came later into the Ulster Province in the 17th Century AD after the confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn northern Ui Niaill territories there and the non - Catholic plantations there. Some members of the family are buried in the Friary at Newtownards in Co. Down in the south - east of the Ulster Province.De Montmorency. They were in Co. Wexford and Co. Kilkenny / Ossory in the south of Southern Leinster.
O Monyne. A Heremonian Dal Cuinn Colla Da Crioch Airthir Ui Niallain Clann Cernaich Sept / Family branch, who had their territory at Oneilland East and West in Co. Armagh in the south - east of the Ulster Province. Especially see O Moynan.
Moody (brave / impetuous). English origins. Previously known as Mody they were in Ireland in 1297 AD. Since 1600 AD they were mainly in the
Ulster Province and Co. Offaly in the north - west of Southern Leinster. Gaelicized as Ua Muadaigh.O Moohan. Used as a variant for O Mohan, which see, in Co. Donegal in the north - west of the Ulster Province and surrounding regions.
O Moolick - Irish / Ua Mioluc (Descended from Milo). An Irian Conmaicne Rein Muinter Eolais Tellach Cearbhallan Sept / Family branch, who had their territory in the east of Co. Galway in Southern Connacht and nearby in Co. Roscommon in the east of Connacht and at Mohill and Leitrim in Co. Leitrim in Northern Connacht. Especially see O Mullock.
O Moonan - Irish / Ua Muanain. Used for O Moynan, which see in the Munster Province.
O Moonan. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn Colla Da Crioch Airthir Ui Niallain Clann Cernaich Sept / Family branch, who had their territory at Oneilland East and West in Co. Armagh in the south - east of the Ulster Province. Especially see O Moynan.
O Moon or O Moone. Used synonymously with O Mohan and de Mohun, which see.
O Mooney - Irish / Ua Maonaigh. A Heremonian Dal Cuinn Colla Da Crioch Sept / Family branch, who had their territory in the kingdom of Orghialla in the Ulster Province.
Ancestors: *86.Cairbre Liffeachair the 117th King of Tara / Ireland. 87.Eochy / Echu Doimhlen, 88.Murray / Muireadach Colla Da Crioch - of the Two Countries, 89.Fiachrach Casan, 90.Felim, 91.Feig, 92.Oronn,
O Mooney - Irish / Ua Maonaigh / maonach (wealthy). A Sept / Family branch, who had their territory at Ardara in Co. Donegal in the north - west of the Ulster Province.
O Mooney or O Meeney or O Mainey or O Meaney - Irish / Ua Moenach (dumb). A Sept / Family branch, who had their territory at Easky near Tireragh in
Co. Sligo in the north - west of the Connacht Province. O Mainey and O Meaney used in the Munster Province.O Mooney. A Sept / Family branch, who had their territory at Lemanaghan in
Co Offaly in the north - west of Southern Leinster where they were Chiefs and were also nearby in Co. Laois in the mid - north - west of Southern Leinster.Moor / Mhonaidh.
O Moore. A Gaelic Milesian Iran Ui Laeghis Sept / Family branch, who had their territory in Co.. Laois in the mid - north - west of Southern Leinster. Especially see O More.
Moore. English / Welsh / Scottish origins. Mainly found in
Co. Antrim in the north - east of the Ulster Province and in Co. Dublin in the north - east of Southern Leinster. Tom Moore (1779 - 1852) the Irish poet was born in Dublin in Co. Dublin in the north - east of Southern Leinster.Moorehead. Scottish origins. Used a a variant for Muirhead, which see who were in the east of the Ulster Province.
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