Kane, Kean, Keane, O’ Kane, O’ Keane, Ó Catháin
Ó Catháin comes from the Gaelic word “cath” which means ‘battle’. The name originated in the Lagan area of Co. Donegal in the north-west of the country, and remains very common in the northern province of Ulster. Kane is one of the 100 most common surnames in Ireland, and is particularly prevalent in counties Derry and Antrim. Ó Catháin was also Anglicised as Keane, which is the 85th most numerous surname in Ireland.