Thanks to the records update i have found their marriage in Tynock.Kiltegan 4th May 1874 https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1874/11237/8120452.pdfaccording to Rathvilly NLI reel the marriage was in 1873https://registers.nli.ie/registers/vtls000634564#page/124/mode/1upunfortunately no parents given