Barry, Cowin's Tree traces the Clagues of Ballaclague, a farm in Arbory, so is no help to you. I have checked the 1881 Census, the only Edward close to yours is Edward 4 yrs, son of William 42, a Mason's Labourer from German, and Jane 44, from Peel. They live at Ballacallin in Patrick. Other family at this time are Annie 12, Eliza 10, George 8 and Janetta 2.