O'kane Family History
O'kane Name Meaning
Irish: Anglicized form of Gaelic Ó Catháin ‘descendant of Cathán’, a personal name derived from cath ‘battle’. As lords of Keenaght in County Derry the O’Kanes were a leading sept in Ulster up to the time of the plantation (early 17th century).
Source: Dictionary of American Family Names ©2013, Oxford University Press