Mac Cranny. Gaelic Irish / Mheic Bhranaigh. They were in Co. Armagh and Co. Down in the south - east of the Ulster Province where Crany and Creaney are used as synonyms

Mac Crary or Mac Creary - Irish / Mheic Ruaidhri. Origins unknown as yet. A Mac Rory, which see, variant.

Craughwell - Irish / Ua Creachmhaoil. A Sept / Family branch, who had their territory in the east of Co. Galway in Southern Connacht.

O Cravane or O Craven or O Creavan - Irish / Ua Crabhain. A Sept / Family branch, who had their territory in Co. Galway in Southern Connacht.

Mac Cravane or Mac Craven or Mac Creavan - Irish / Mheic Crabhain. A Sept / Family branch, who had their territory in Co. Monaghan in Southern Ulster and nearby in Co. Louth in the north - east of Northern Leinster.

Crawford. They were in Co. Antrim in the north - east of the Ulster Province.

Mac Crawley - Irish / Mheic Raghallaigh. 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 and nearby in Co. Louth in the north - east of Northern Leinster.

Mac Crea or Mac Crae or Mac Cray. Highland Scottish origins. Gaelic Irish / Mheic Raith / Craith. They were in the Ulster Province. Similar to Mac Grath.

Mac Cready - Irish /  Mheic Riada. An Erenagh Sept / Family branch, who had their territory in the Barony of Raphoe in Co. Donegal in the north - west of the Ulster Province. Used also as a variation for Mac Conready, which see, Irish / Mheic Conriada, a variation of Mac Aready, which see, in Co. Derry in the north - east of Ulster.

O Creagh - Irish / Ua Craobhach - craobh / branch. A Heberian Dal gCais Sept / Family branch,  who were a Sept of the O Neills, which see, of Co. Clare in the north - west of Thomond / Tuaiscert Mhumhain / Northern Munster. They had their territory nearby in Co. Limerick in the mid - north - west of Thomond, but were also nearby in Co. Kerry and Co. Cork in Desmond / Southern Munster. Ancestor - *91.Cas (Dal gCais) the King of Thomond.

Creamer or Cramer - creamer / peddler. English origins. Used for Mac Creanor, which see, a variant of Trainor, which see, in Co. Leitrim in Northern Connacht.

O Crean or O Creaghan or O Crehan - Irish / Ua Croidheain - croidhe / heart. A Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill Cenel nEogain Cenel Moen Sept / Family branch, who had their territory at Magh Itha, in Raphoe in Co. Donegal in the north - west of the Ulster Province and were Chiefs in Co. Sligo nearby in the north - west of the Connacht  Province. Kinsmen to the O Gormleys / Ui Gairmleadhaigh. O Crehan used in Co. Clare in the north - west of Thomond / Northern Munster and nearby in Co. Galway in Southern Connacht. Ancestors - *90.Maein, *89.Murray / Muiredach the 2nd King of Aileach, *88.Eogan the 1st King of Aileach (Cenel nEogain), *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (Ui Niaill).

Mac Creed or Mac Creedon - Irish / Mheic Criodain. A Sept / Family branch - who had their territory in Co. Cork in Desmond / Des Mhumhain / Southern Munster.

O Creegan or O Cregan - Irish / Ua Croidheagain - croidhe / heart. A Sept / Family branch - who had their territory in the Connacht Province were it is also confused with Crehan. See also Crean.

O Creehan or O Creeghan or O Crehan - Irish / Ua Croidheain - croidhe / heart. A Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill Cenel nEogain Sept / Family branch - who had their original territory in Co. Donegal in the north - west of the Ulster Province. One of their Septs migrated to the south nearby into Co. Sligo in the north - west of the Connacht Province. Crehan was mostly used in Co. Clare in the north - west of Thomond / Tuaiscert Mhumhain / Northern Munster Province and nearby in Co. Galway in Southern Connacht. Ancestors - *88.Eogan the 1st King of Aileach (Cenel nEogain), *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (Ui Niall). See also - O Crean.

O Creehan or O Creeghan or O Crehan - Irish / Ua Criochain - originally Mheic Criochain. A Sept / Family branch - who had their territory at Ardstraw in the Ulster Province. See also Curreen,

O Creehan or O Creeghan or O Crehan - Irish / Ua Criochain. Used for Creen or Crean, which see, in Co. Kerry in the south - west of Desmond / Des Mhumhain / Southern Munster.

O Creehan or O Crehan or O Creighton or O Chrichton - Irish / Ui Chriochain, A Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch Cenel Rochada Fernmag (Fer Fermaighe / Farney) Sept / Family branch, who had their territory at Farney in Co. Monaghan in Southern Ulster.  Ancestors - *107.Lethlobar, *106.Fogartach, *105.Murray / Muiredach, *104.Laidgnen, *103.Fogartach, *102.Duncan / Donncuan, *101.Fogartach, *100.Ruadrach, *99.Maoilfothartaigh, *98.Artrach, *97.Aitheachda, *96.Mailduib, *95.Maoilfothartaigh, *94.Cronan, *93.Fergus, *92.Nadsluaig, *91.Cairpre "Daim Argait, *90.Eochy / Echach, *89.Criffan / Crimthainn "Leith" / "Lethan," *88.Feicc, *87.Dega "Duirn," *86.Rochad / Rochatha, *85.Murray / Muiredach "Colla da Crioch" / "Focrith" - of the Two Countries, *84.Eochy / Echu "Doimhlen, *83.Cairbre "Lifechar" the 116th King of Tara / Ireland.  

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