There’s many a lonely hearth-stone tonight in wide Mayo, There’s many a gallant heart content again can never know But darkest woe and grief for him the saintly true and tried, Who on the Saxon scaffold that day for freedom died.          --  From “The Priest of Addergool,” by William Rooney (Founder of Castelbar’s first public library) 1898 In June 2013 we spent two weeks in the lovely little v…