Ó Cionga was the name of an Irish Brehon family of Lough Ree, County Westmeath, who spread to neighbouring areas such as County Longford and County Offaly.
See also
Tomas O Cinga, died 1342 Muircheartach Ó Cionga, Old Testament translator and scribe, c. 1562-c.1639.
External links http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID=
References
Dictionary of Irish Biography, volume five, pp. 209–210, Cambridge, 2009.