Cogan or Coggan / de Cogan. Welsh toponymic. Anglo Norman origins . Came into Ireland from Wales during the Anglo - Norman Invasion with Strongbow / Richard de Clare in the 12th Century AD. They were in Co. Cork in Desmond / Southern Munster as English Lords and later some changed their name to Gogan and Goggin. It was also used as a synonym for Coogan, which see. See also Cogavin.

Mac Cogavin. Used as a variant for Mac Cogan / Mheic Cogadhain, which see,

Mac Coggan - Irish / Mheic Cogaidhin. A Sept / Family branch, who had their territory in Co. Tipperary in the north - east of Ormond / Aur Mhumhain / North Eastern Munster.

Coggins. Used as a variant for Mac Cogan, which see, in Co. Sligo in the north - west of the Connacht Province.

Coghill. English origins. They came from Yorkshire and were in Ireland in the late 17th Century AD and are now mainly found in Co. Kilkenny in the south - west of Southern Leinster.

Mac Coghlan. A Heberian Dal gCais Sept / Family branch, who later had their territory in Co. Laois in the mid - west of Southern Leinster where they were Kings. See also Coughlan. Ancestor: *91.Cas the King of Thomond. (Dal gCais.)

Mac Coghwell. A Sept / Family branch, who had their territory in Co. Tyrone in Central Southern Ulster where they were Chiefs.

O Cogley or O Kegley - Irish / Ui Coigligh, An important Irian Cruithin Ui Beann Traidhe Sept / Family branch, who were kinsmen to the O Coskry / O Cosgry / O Coskerry 'O Cosgrave / Ui Cosgraigh and the O Beck / O Beaky / O Bakey / Ui Beice, O Buggy / O Buggey / O Boggy / Ui Bogaigh, O Clooney / O Cloney / Ui Cluainaigh. Ancestors: *Cilline, *Dochartach, *Eoin, *Feromuin, *Aildine, *Oirenn, *Magach, *Kelly / Cellach "Croto," *Nechta, *Lugna, *Inomuin, *Benta (Ui Benntraige), *Conor / Conchobar, *Nessa, *Mail, *Formail, *Sirnae, *Forich, *Rochada, *Clothnai, *Coirbb, *Sethrann, *Loga, *Cethnenn, *37.Ir (Irians).

Cohoon. Used as a variant for the Scottish Colhoun, which see, in Co. Donegal and Co. Derry in Northern Ulster.

O Coigley or O Quigley. A Sept / Family branch, who had their territory in Co. Donegal in the north - west of the Ulster Province.

Coke. They were in Co. Carlow in Southern Leinster.

Mac Colavin or Mac Cullivan - Irish / Mheic Conluain. Originally Mheic Anluain. A Heremonian Ui Cobhthaigh UI Felim Dal Cuinn "Southern" Ui Niaill Cenel Fiachach Sept / Family branch, who had their territory in the north of the Connacht Province and later in Co. Cavan in Southern Ulster. Also anglicized as Mac Colwan. Ancestors: *88.Fiachu (Cenel Fiachach), *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (Ui Niall).

Colbert - Irish / Ua Colbaird -

Colbert / Colbard. Originally Accolobert. Anglo Saxon origins. They have been in the Munster Province since the 15th Century AD.

Colclough. English toponymic origins. They have been in Co. Wexford in the south - east of Southern Leinster in the 16th Century AD. See also Coakley.

Coldrick. Used as a variant for Goldrick, which see, who were in Co. Meath in the south - east of Northern Leinster and Co. Cavan in Southern Ulster.

Cole. English origins. They have been in Co. Fermanagh in the south - west of the Ulster Province since the Confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill territories there, and the non - Catholic Plantations there in the early 17th Century AD.

O Coleman - Irish / Ua Colmain / Columba. Latin / dove. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "Northern" Ui Fiachrach Sept / Family branch, who had their territory in Co. Sligo in the north - west of the Connacht Province in the Barony of Tireragh. See also Cluvane. Ancestors: *87.Fiachra the original 2nd King of Connacht (Ui Fiachrach), *86.Eochy "Mugmedon" the 124th King of Tara / Ireland.

O Coleman or O Colman or Clifford - Irish / Ua Chlumhain (Descended from Clumhan) A Sept / Family branch, who had their territory in Co. Cork in Desmond / Des Mhumhain / Southern Munster and were also in Co. Sligo in the north - west of the Connacht Province. See also - Colman.

O Coleman. A Sept / Family branch, who had their territory in Co. Louth in the north - east of Northern Leinster.

Coleman. English origins -

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