Looking for any information concerning Gleason or O'Rourkes in Ireland. Great grandmother was Catherine Gleason.She married Cornelious O'Rourke, they had a daughter named Catherine and some other children..a thomas and a James O'Rourke and another daughter. The family came to USA around 1870. Catherine O'Rourke (daughter) married James N. Dolan, her sister married a James Nolan.They lived and died in Chicago, Il. Any information on where in Ireland they might have come from would be greatly appreciated.