O Conway - Irish - Ua Connmhachain - condmach - head smashing. A Heberian Cianachta Sept - Family branch - who had their territory in Co. Mayo  in the mid - west of the Connacht Province who were kin to the O Haras descended from *85.Cian a brother to 85. Eoghan "Mor" the direct ancestor of the Eoghanachta of Southern Munster & 85.Cormac "Cass" the direct ancestor of the Dal gCais - Dalcassians of Tuadh Mhumhain - Thomond - Northern Munster. See also Conamy, Conboy, Conoo, Convey, Kanavaghan & Mac Nama. Ancestors *86.Teague mac Cian & *85.Cian.

O Conway - Irish - Ua Conbhuidhe. A Sept - Family branch - who had their territory in Co. Longford in the north - west of Northern Leinster and nearby at Easky in Co. Sligo in the north - west of the Connacht Province.

Mac Conway - Irish - Mheic Connmhaigh - connmeadha. An Important Sept - Family branch - who had their territory in Thomond - Northern Munster. See also Conamy, Conboy, Conoo, Convey, Kanavaghan & Mac Nama.

Mac Conway - Irish - Mheic Connmhaigh. A Sept - Family branch - who had their territory in Co. Wexford - South East Leinster / See also Conamy, Conboy, Conoo, Convey Kanavaghan & Mac Nama.

Mac Conway or Mac Namee - Irish - Mheic Conmidhe - (Descended from a son of hound or warrior of Meath)A Sept - Family branch - who had their territory in Co. Derry & Co. Tyrone in the Ulster Province. Anglicized also as Mac Conomy, which see. See also Conamy, Conboy, Conoo, Convey, Kanavaghan & Mac Nama.

Mac Conwell - Irish - Mheic Congail. A Sept - Family branch - who had their territory in Co. Down in the south - east of the Ulster Province in the Heremonian Ui Cobhthaigh Dal Cuinn 3 Colla kingdom of Orghialla - Airghialla - Oriel. Now changed to Conville there. They were also in Co. Donegal in the north - west of Ulster.

Conyngham - Descended from the English Marquis of Slane and they had their ancestral home in Slane Castle to the west of Slane in Co. Meath  in south - east of Northern Leinster. See also Cunningham.

Mac Cooey - Irish - Mheic Cumhaighe. A Sept - Family branch - who had their territory in the Heremonian Ui Cobhthaigh Dal Cuinn 3 Colla kingdom of Orghialla - Airghialla - Oriel in Southern Ulster & Co. Louth in the north - east of Northern Leinster.

Mac Coog - See Cooke.

O Coogan - Irish - Ua Cuagain. A Heremonian Ui Cobhthaigh Dal Cuinn Ui Maine Sept - Family branch - who had their territory in Co. Galway & Co. Roscommon in Southern Connacht. They were later scattered to Co. Monaghan in Southern Ulster, Co. Kilkenny in the south - west of Southern Leinster and surrounding regions. See also Cogan. Ancestor *80.Conn of the Hundred Battles.

Cook - English origins. (Descended from Alan Cook) who founded Cookstown in Co. Tyrone in Central Ulster.

Cooke - Gaelicized - Irish - Mheic Dhabhoc -  Mheic Uag. They were a branch of the Anglo Norman Burkes, which see, and were also known as Mac Cooge descended from Hugo Burke. Previously known as Mac Hugo they were in Co. Galway in Southern Connacht.

Cooke - English origins. They came in the late 17th Century AD descended from Adolphus Cooke born 1792 AD who was in Co. Westmeath in the south - west of Northern Leinster. Their main home was at Cookesborough and he was a son of Robert and they had 700 acres plus another 4,000 with tenants. He is buried in Reynella churchyard. There are nine Cook place names in Leinster Province.

Cooke - Scottish origins. They were in the Ulster Province as Mac Cook or Mac Cuagh who were a branch of the Clan Mac Donald of Kintyre.

Mac Cool - Irish - Mheic Giolla Chomgaill (Descended from a devotee of St. Comhghall) A Sept - Family branch - who had their territory in Co. Donegal in the north - west of the Ulster Province. It was also changed to Cole in the Glenties region.

Cooley - Used as a variant for Cowley & Colley, which see, in the Ulster Province. See also Kilcoolery.

Mac Cooley - They were in the Heremonian Ui Cobhthaigh Dal Cuinn 3 Colla kingdom of Orghialla - Airghialla - Oriel in Southern Ulster & Co. Louth in the north - east of Northern Leinster where it may be also a variant of Mac Cawley, which see.

Mac Cooley - Irish - Mheic Giolla Chuille. A Sept - Family branch - who had their territory in the combined region of Co. Roscommon in the east of the Connacht Province, Co. Clare in the north - west of the Munster Province & Co. Galway in Southern Connacht.

                                                                                         +On to Coolican - Cord