My first reaction is that the landlord wanted to move tenants off the land to use the land for grazing. Ballyfeeny was a small townland only 120 acres. The cancelled books post Griffiths would be a good source but as of now those records are only available in the Valuation Office in Dublin.
You mention not finding birth, marriage and death records. Here is the 1879 marriage record for James McDermott and Brigid Feeny (second record)
The Strokestown records go back to 1830. What records are you looking for?