Mac Cabe. Highland Scottish origins. Gaelic Irish / Mheic Caba. They were descendants of the Mac Leods of Harris in the Hebrides. They arrived into Ireland in the 14th Century AD as galloglasses / mercenaries to assist the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn Ui Briuin Breifne O Reillys and O Rourkes. They became a Sept in the O Rourke / O Reilly kingdom of Ui Briuin Breifne in Co. Cavan in Southern Ulster and were also Chiefs nearby in Co. Monaghan in Southern Ulster.

Mac Cabe. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn Colla da Crioch Sept / Family branch. Ancestors: *85.Murray / Muiredach "Colla da Crioch" / "Focrith"- of the Two Countries, *84.Eochy / Echu "Doimhlen,"  *83.Cairbre "Liffeachair" the 116th King of Tara / Ireland.

Caddell or Cadell / Cadwal. Welsh origins. They were in Co. Galway in Southern Connacht and Co. Dublin in the north - east of Southern Leinster in the 13th Century AD and their name was changed to Blake, which see, in Co. Galway.

Mac Cadden or Mac Cadigan or Mac Adam or Mac Adan / Mheic Acadhain, A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn Colla da Crioch Ui Breasail Airthir / Orior / Airthir Siol Fiachra Cassan Clann Fermaighe Erenagh Sept / Family branch, who were an important as they held the right to oversee the church property and or the position of Abbot or Founder there from generation to generation. They had their territory in the north of Co. Armagh in the south - east of the Ulster Province. They were kinsmen to the O Kealaghan / O Keelaghan / O Kealahan / Ui Ceileachain, Muintir Caiseil - O Cashel / O Cassily / O Casley /  O Cassell / O Cassely / O Cushley / Ui Caisile, O Dullahan / O Dallaghan / O Dallahan / O Dallan / O Dolghan, O Kernaghan / O Kearnaghan / Ui Cearnachain, O Madigan / Ui Madadhain, O Trainor / O Trainer / O Trayner / Ui Threinfhir.  Ancestors: *97.Buachalla, *96.Conor / Conchobar "Chorraig," *95.Mael "Duin," *94.Fingin, *93.Ronan, *92.Toole / Tuathal, *91.Ailella, *90.Conall, *89.Feicc, *88.Bressal, *87.Felim / Feidlimid, *86.Fiachra "Cassan," *85.Murray / Muiredach "Colla da Crioch / Focrith"- of the Two Countries, *84.Eochy / Echu "Doimhlen," *83.Cairbre "Liffeachair" the 116th King of Tara / Ireland.

Mac Caddo or Mac Caddow. Two of the forms used to anglicize their name by the Mac Cunniffs, which see, Irish / Mheic Conduibh.

O Cadogan or O Cadigan - Irish / Ui Ceadagain. A Sept / Family branch, who had their territory in Co. Cork in Desmond / Des Mhumhain / Southern Munster.

Cadogan. Welsh origins. They were in Co. Limerick in the mid - north - west of Thomond / Northern Munster in the 13th Century AD, and in Co. Dublin and Co. Meath in the east of the Leinster Province in the 17th Century AD.

Mac Cafferky or Mac Caffery - Irish / Mheic Eachmharcaigh / each - steed / marcach - rider. A Sept / Family branch, who had their territory in Co. Mayo in the mid - west of the Connacht Province.

Mac Cafferty or Mac Caffery or Mac Caverty - Irish / Mheic Eachmharcaigh - each / steed - marcach - rider. A Heremonian Ui Cobhthaigh Ui felim Dal Cuinn "Northern" Ui Niaill Cenel Conaill Siol Lugdach Arda Midhair Sept / Family branch, who had their territory in Co. Donegal and nearby in Co. Derry in the north of the Ulster Province. Kinsmen to the O Dohertys / Ui Dochartaigh of Inishowen. Ancestors: *91.Lugdach, *90.Setnai, *89.Fergus, *88.Conall "Gulban" the 1st King of Tir Conaill / Tyrconnell  (Cenel Conaill), *87.Niall (Ui Niaill) of the Nine Hostages the 126th King of Tara / Ireland (Ui Niaill).