Cambridge. English toponymic origins. Some also changed to - Chambers.

Mac Cambridge. Scottish Highland origins. Gaelic - Irish / Mheic Ambrois. They were in the north - east of the Ulster Province.

O Cameron - Irish / Ua Cumarain. A Sept / Family branch, who had their territory in Co. Mayo in the mid - west of the Connacht Province.

Cameron. Gaelic / Camshron - crooked nose. Scottish origins. They were in the north - east of the Ulster Province.

Mac Camley or Mac Comlery. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn 3 Colla Sept / Family branch. Used as synonyms for Mac Auley, which see, in Co. Antrim and Co. Armagh in the east of the Ulster Province. Ancestors: *84.Eochy / Echu "Doimhlen," *83.Cairpe "Liffeachair" the 116th King of Tara / Ireland.

Mac Campbell - Irish / Mheic Cathmhaoil - cathmhaoil / battle chief. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "Northern" Ui Niaill Cenel nEogain Cenel Fheardaigh Theas Sept / Family branch, who had their territory in Co. Tyrone in Central Ulster. See also Mac Cawell, Camp and Kemp in Co. Cavan in Southern Ulster. Ancestors: *90.Farrell / Fearghal,*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 Ireland Ui Niaill).

Mac Campbell. Scottish Highland origins. Gaelic Irish / Mheic Ailin - cam beal / wry mouth. They were in Co. Donegal in the north - west of the Ulster Province as galloglasses / mercenaries connected to the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn  "Northern" Ui Niaill Cenel nEogain Sept, and were descended originally from Gillespie O Duibhne in the 13th Century AD in Ireland, and then went into Argyll (The Land of the Gael) in Scotland where they became very committed "survivors." Ancestor: Gillespie O Duibhne.

Campion. Norman - French origins. They were in Northern Leinster in the 17th Century AD, and later in Co. Laois and Co. Kilkenny in the west of Southern Leinster in the 19th Century AD.

O Canavan - Irish / Ua Ceanndubhain. A Sept / Family branch, who had their territory in Co. Galway in Southern Connacht who were physicians to the Heremonian Ui Cobhthaigh Dal Cuinn Ui Briuin Seola O Flahertys of Connemara. See also Whitehead and Whitelock, which were used as synonyms. Ancestors: *87.Brion the original 1st King of Connacht (Ui Briuin), *86.Eochy "Mugmedon" the 124th King of Tara / Ireland.

Canaway. Used as a variant for Conway, which see, in the east of the Ulster Province.

Mac Cance. Used as a variant for Mac Nish and Mac Innes, which see, in the north - east of the Ulster Province.

Mac Candless - Irish / Mheic Cuindlis. A Sept / Family branch, who had their territory in Co. Down in the south - east of the Ulster Province. It has 6 variants, including Mac Andles and Mac Canliss.

O Cannanan. A Sept / Family branch, who had their territory in Co. Donegal in the north - west of the Ulster Province where they were Princes.

Canning - Irish / Ua Coinne / Cainin. A Sept / Family branch, who had their territory in Co. Offaly in the mid - west of Southern Leinster and nearby in Co. Westmeath in the north - west of Northern Leinster. Also used as a synonym for - Cannon, which see.

Canning. English origins. They were in Co. Derry in the north - east of the Ulster Province in the 17th Century AD after 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.

O Cannon - Irish / Ua Canain - cano / wolf cub. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn Ui Maine Sept / Family branch, who had their territory in Co. Galway in Southern Connacht where they were kin to the O Maddens. Ancestors: *86.Maine "Mor," (Ui Maine) *85.Murray / Muiredach “Tireach” the 122nd King of Tara / Ireland, *84.Fiacha “Sraibhtine” the 120^th King of Tara / Ireland, *83.Cairbre "Liffeachair" - of the Liffey the 116th King of Tara / Ireland, *82.Cormac mac Airt the Magnificent the 115th King of Tara / Ireland, *81.Art the 112th King of Tara / Ireland,  *80 Conn (Dal Cuinn) of the Hundred Battles the 110th King of Tara / Ireland (Dal Cuinn).

O Cannon - Irish / Ua Canannain. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "Northern" Ui Niaill Cenel Conaill Sept / Family branch, who had their territory in Co. Donegal in the north - west of the Ulster Province, where they were Kings before 1200AD. Ancestors: *88.Conall "Gulban" the 1st King of Tir Conaill / Tyrconnell  (Cenel Conaill), *87.Niall of the Nine Hostages the 126th King of Ireland (Ui Niaill).

Mac Cannon. See - Mac Connon.

Mac Cannor or Mac Canna or Mac Cana - Irish / Mheic Cana - cano / wolf cub. A Heremonian Ui Cobhthaigh Ui felim Dal Cuinn "Northern" Ui Niaill Cenel nEogain Sept / Family branch, who had their territory in Co. Armagh in the south - east of the Ulster Province who were Kings there. They were Chiefs of Clan Brassil on the southern shore of Loch Neagh, which they had secured from the O Garveys. They were also nearby in Co. Louth in the north - east  of Northern Leinster. Ancestors: *88.Eogan the 1st King of Aileach (Cenel nEogain), *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (U Niaill).

O Canny. Irish / Ua Caithniadh - caithniadh / battle champion. A Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "Northern" Ui Fiachrach Muaide Sept / Family branch, who were the Chiefs of Erris in Co. Mayo in the mid - west of the Connacht Province. Ancestors: *93.Dunchad "Muirisci" the 16th King of Connacht, *92.Tipraite, *91.Maeldub, *90.Elgach, *89.Fiachnae (Ui Fiachrach Muaide),*88.Nath I / Dathi the 127th King of Tara / Ireland, *87.Fiachra the original 2nd King of Connacht (U Fiachrach), *86. Eochy "Mugmedon" the 124th King of Tara / Ireland.

Mac Canny - Irish / Mheic Annaidh. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Thomond / Tuaiscert Mhumhain / Northern Munster.

Mac Canny. They were in Co. Tyrone in Central Ulster.

                                                                                      +On to  Cantillon - O Carey