I don't have a Mulrany that I know of, but I do have a Kilcoyne link. This is the information I have on Ellen Kilcoyne who married James Corley in Cleveland about 1900.
Name: Corley, Ellen Date: Jun 2 1950 Source: Source unknown;Cleveland Necrology File, Reel #016. Notes: Corley Ellen (nee Killcoyne), beloved wife of the late James; mother of Martin, Mrs. James Marble and the late Thomas and Hubert; grandmother of Hugh and Anne Marble; sister of Mrs. Catherine Friel, Mrs. Peter O'Toole and Thomas Killcoyne; Wednesday, May 31; residence, 13304 First Ave., East Cleveland. Friends may call at the Flynn-Froelk Co. Funeral Home, 13104 Euclid, Southeast corner of Alvason Rd. Funeral Saturday, June 3. St. Philomena's Church at 9 a. m.
Ellen's parents are possibly Martin Kilcoyne and Bridget Kelly of Newport, Mayo, Ireland. They had the following children: Sibby b. 1864, Margaret b. 1866, John b. 1868, and Ellen b. 1871.