Mac Cowell or Mac Cawell or Mac Caughwell or Mac Caul or Mac Caulfield or Mac Caldwell or Mac Campbell or Mac Camphill or Mac Colvill or Mac Colwell or Mac Colwill or Mac Coghill or Mac Coyle or Mac Howell or Mac Hawell or Mac Hemphill or Mac Kevill  or Mac Keavill or Mac Keevill or Mac Keawell / Irish / Mac Cathmaoil. Heremonian Dal Cuinn ""northern"" Ui Niaill Cenel nEogain Sept / Family branch.Ancestors: 91.Eogan the 1st King of Aileach and the direct male line ancestor of the Cenel nEogain, 92.Murray the 2nd King of Aileach,  93.Fearach his third son who was a brother to *93.Murtaugh Mor Mac Earca the 131st King of Ireland and 93.Fergus Mor Mac Earca the King of Dal Riada, 94.Fiachra, 95.Fiachra, 96.Suibhneach Meann the direct male line ancestor of the O Meany / Ui Meannaighe, 97.Edalach who had an elder brother, 97.Cuagan the direct male line ancestor of the O Cogans / Cogan / Coggin / Ui Cuagain, 98.Donchar, 99.Cugabhna, 100.Conan, 101.Donachar, 102.Cathmhaoil the direct male line ancestor of the O Cowells / Ui Cathmhaoil, 103.Breasal, 104.Murtough, 105.Fogartach, 106.Maol Colum the direct male line ancestor of the Malcolms / Malcolmson / Ui Maol Coluim, 107.Suibhneach, 108.Colla, 109.Ranal Mac Cowell / Mheic Cathmaoil.

Mac Cox of East Breifne / Irish / Ua Coich. Heremonian Dal Cuinn Ui Briuin Breifne Sept / Family branch. Walter / Watty Cox, who was the son of a Co. Westmeath blacksmith, who was born in 1770 AD established The Union Star for the United Irishmen and also went to America where he founded The Irish Monthly magazine, and on returning to Ireland he unsuccessfully tried to cut off the head of the William of Orange statue in Dublin, where he was to die in January, 1837 AD. Ancestors: *89.Eochy Mugmedon the 124th King of Ireland, the father of 90.Brion the first Dal Cuinn King of Connacht the ancestor of all of the Ui Briuin Septs and the father of 91.Daui Tenga Uma - of the Sweet Tongue the 3rd King of Connacht who is also the ancestor of the Ui Briuin Seola Sept, and the father of 92.Eogan Srem the ancestor of the Ui Briuin Breifne / Ui Briuin Ai Septs, and the father of 93.Fergus the ancestor of the Ui Briuin Breifne Septs, which was to culminate in the O Rourkes, who was the father of 94.Fergnae the father of 95.Aed Finn (Cath Aeda Finn) the father of 96.Scandlan the father of' 97.Criffan / Crimthann the father of 98.Baethine the father of 99.Dunchad the father of 100.Dub Dothra the King of the Ui Briuin who died in 743 AD who was the father of 101.Cernach the father of 102.Callaghan / Cellachan the father of 103.Tiernan / Tighernan the King of Breifne who died in 892 AD the father of; 104.Coffey / Cobhthach the father of 105.Maol Mordha (Muintir Maol Mordha) who was a younger brother of Aodh, the  father of 106.Dubhcron the father of 107.Catalan the father of: 108.Reilly / Ragheallach the direct male line ancestor of the O Reillys / Ui Ragheallaigh, who was slain in the Battle of Clontarf in 1014 AD in service to *105.Brian Boru the 175th High King of Ireland against the Viking Invasion, who was also the father of 109.Artan O Reilly the father of 110.Artgal O Reilly the father of; 111.Connatach O Reilly who died in 1089 AD the father of 112.Mac na hOidche O Reilly the ancestor of the Mac Nights / Mac Neights / Mac na hOidhche who was killed in 1127 AD, who was the father of 113.Godfrey / Gothfrith O Reilly who was killed in 1161 AD, the father of 114.Cathal who died in 1196 AD, who had a younger brother, Fergal, and was the father of 115.Annadh who was to be the last King of East Breifne, who died in 1220 AD, who had 2 sons, Fergal and Cathal who would be the Chief of Lower Breifne who was killed at the Battle of Moy Sleaghta in 1256 AD, who was to be the father of Donnell O Reilly who was also killed in the Battle of Moy Sleaghta, who had a brother, Niall Caoch O Reilly the ancestor of the O Bradys, His other son, Fergal O Reilly is the ancestor of the Clann Goffrey, 116.Caoch, a brother of Cathal, is the direct male line ancestor of the Mac Cox / Mac Coich, who were kinsmen to the O Reillys, is the father of117.Niall the father of 118.Mahon / Mathghamhan the father of 119.Catha the father of 120.Aonghus the father of 121.Mahon the father of 122.Giolla na Naomh - the Servant of the Saints.

Cox. See Mac Quilly.

Mac Coy - Irish / Mheic Aodha. A Sept / Family branch, who had their territory in Co. Limerick in the mid - north - west of Tuaiscert Mhumhain /  Thomond / Northern Munster.

Mac Coy. Highland Scottish origins. Gaelic Irish / Mac Aodha. They were a galloglass / mercenary family who were in the Ulster Province.

Coyd. See Quoid.

Mac / O Coyle, or Mac Ilhoyle, which see - Irish / Mac Giolla Comhghaill. (Descended from a son of a devotee of St. Comhghall) A Sept / Family branch, who had their territory in Co. Donegal and Co. Monaghan in the west of the Ulster Province, and were also nearby in Co. Cavan in Southern Ulster.  See also Woods, and also often confused with Mac Cool.

O Coyne or O Coen or O Cohan or O Cohen or O Cowan or O Cuan or  O Kyne or O Kevin or O Kevens or O Keveny or O Kavanagh - of Connacht - Irish / Ua Caomhan. A Heremonian Dal Cuinn northern Ui Fiachrach Sept / Family branch, who had their territory in Co. Mayo in the mid - west of the Connacht Province. See also Barnacle and Kilcoyne. James Coen and Charles Coen who were officers in James 11 army were killed at the Battle of the Boyne. Ancestors: *89.Eochy / Eochaidh Mugmedon the 124th King of Tara / Ireland the father of; 90.Fiachra the second Dal Cuinn King of Connacht the direct male line ancestor of the Ui Fiachrach Sept who had 2 sons, Awley / Amhailgadh who had his territory in Tir Awley / Tyrawley in Co, Mayo who left no issue, and *91.Dathi / Nathi the 127th King of Tara / Ireland who led a great expedition into France were he was killed by Lightning in 428 AD who was the father of 92.Eochy Breac / Echu / Eocha the ancestor of the O Shaughnessys, who had 3 brothers, Ailill / Oilioll Molt who became the 129th King of Ireland, who left no issue and was slain in the Battle of Ocha in 478 AD, Awley who became the ancestor of the Mac Firbis / Forbes and 92.Fiachra Ealg the father of 93.Maol Dubh the father of; 94.Tiobrad who had a younger brother, Tiomain, and was the father of 95.Donough the father of 96.Ailill / Oilioll the father of 97.Cathal the father of  98.Duncatha Murios the father of 99.Conmac the father of Dubhda the direct male line ancestor of the O Dowds / Ui Dubhda, and 100.Caomhan the Chief the Ui Fiachrach Keevan Sept / Muintir Keevan in 876 AD, who is the direct male line ancestor of the O Coens / O Coynes / Ui Caomhain, who had Moylena in Co. Tyrone / The Closach, who was the father of 101.Cathal the father of 102.Diarmaid  the father of 103.Giolla na Naomh the father of 104.Cathal the father of 105.Donnell the father of 106.Diarmaid the father of 107 Giolla na Naomh the father of 108.Tomhas the father of 109.Donnell the father of 110.Tomhas the father of 111.Diarmaid the father of 112.David / Daibhidh the father of 113.Donnell the father of 114.Giolla na Naomh the father of 115.Tomhas the father of 116,David  the father of  117.Aodh the father of 118.David who had a brother, 118.Donnell, and their territory was then confiscated by Black Tom Wentworth the English Earl of Strafford for Charles 1st  the English Stewart King.

Craan or Cran. See Crahan.

Mac Cracken. Gaelic Irish / Mac Reachtain. Used in Co. Antrim and Co. Derry in the  north - east of the Ulster Province for Mac Naughton.

Craddock / Creadoc. Welsh - caradoc were in the Co. Meath in the south - east of Northern Leinster, and Co. Kildare and Co. Kilkenny in the south - west of Southern Leinster where there are Craddock towns.

Mac Crae. Especially see Mac Grath.

O Craffy. Used as a variant for Croffy, which see. 

 Mac Cragh - 

Crahan. Used for Mac Crohan, which see, in Co. Kerry in south - west of Desmond / Southern Munster, for O Creaghan, which see, in Co. Mayo  in the mid - west of the Connacht Province, and changed to Craan and Curran in the Leinster Province.

Craig (sheer rock). Scottish origins in Co. Antrim, Co. Derry and Co. Tyrone in the Ulster Province, and came after the early 17th Century AD confiscation of the 3,500,000 acres of the Heremonian Dal Cuinn "northern" Ui Niaill territories there, and the foreign non - Catholic plantations there. Ancestors: 112.Malcolm 111 the Heremonian Dal Cuinn "northern" Ui Niall Cenel nEogain King of Scotland the father of 113.David the King of Scotland, his youngest son who was the father of 114.Prince Henry the father of 115,David, which saw the end of the Heremonian Dal Cuinn male line as his daughter, 116.Isabel married Robert Bruce who then competed with Baliol for the Scottish monarchy and they produced 117.Robert Bruce the Earl of Annandale and Carrick who was the father of 118.Robert the Bruce 1st who slew his adversary Red Comyn, and his daughter, 119.Margery married Walter the Steward of Lennox the male line ancestor of the Stuarts / Stewarts and produced 120.Robert Stewart the father of 121.John Stewart the father of 122.James Stewart the father of 125.Ninion Stewart the father of 126.James Stewart the father of 127.Christian Stewart the father of 128.Ninion Stewart the father of 129.William Stewart the father of 130.Mary Stewart the father of 131.Mary Dickson the mother of 132.Matilda Bailie the mother of 130.Stewart Craig.  

Mac Craine -

Mac Crainor. Heremonian Dal Cuinn Colla Da Crioch Ui Breasail Airthir / Orior / Airthir Siol Fiachra Cassan Sept / Family branch, who had their territory in Co. Armagh in the south - east of the Ulster Province in their kingdom of Orghialla / Airghialla / Oriel in Co. Louth in the north - east of Northern Leinster and Southern Ulster. They were also nearby in Co. Meath in the south - east of Northern Leinster. Especially see Mac Traynor.

Mac Craith. Especially see Mac Grath.

Cramer. See Creamer.

Crampsey or Cramsey. See Kneafsey.

Crampton. In Co. Dublin in the north - east of Southern Leinster since the early 18th Century AD and prior.

Crane / a bird. English origins. Used as a variant for Crean, which see, and in Co. Kerry in the south - west of Desmond / Southern Munster as a synonym for Curran, which see. 

Crangle. Manx origins used for Mac Rannall, which see. They were in Co. Down in the south - east of the Ulster Province.