Kenny in Roscommon

My GGM was a Bridget Kenney who lived in Knockcroghery, County Roscommon ca 1840-1890.She had a sister or mother whose name was Catherine and the Kenney family probably came from the Townland Corroy (Civil Parish Kilmeane, Barany Althone which is adjacent to Knockcroghery.I would be interested in any information on Kenny in this area.Ken Tenore