Ann M.Ferencz;67;of Monessen;died Sunday;Aug.31;1997;at 1:55 p.m.in Mon Valley Hospital;following a lengthy illness. Born May 26;1930;in Arnold City;she was the daughter of the late Michael and Ann Vlasic Muzina. Mrs.Ferencz was a member of Epiphany of Our Lord Roman Catholic Church;Monessen. She had worked as a cook and waitress at Villa Nova Restaurant;Monessen;for many years. In addition to her prents;she was preceded in death by her husband;Andrew Ferencz in 1969;a sister;Theresa Hudock and two brothers;Joseph and Jack Muzina. Surviving are two daughters and sons-in-law;Ronald and Andrea Ferencz DeWitt of Charleroi and David and Arlene Winwood of Fallowfield Township;two brothers;Charles Muzina of Roscoe and John Bud Muzina of Monongahela;two sisters;Mrs.James (Steffie) Barber of Roscoe and Helen Muzina of Arnold City;and five grandchildren;Ron DeWitt and Jackie Matianski of Charleroi;Michelle Winwood and Gordon J.Anderson of Donora and Goeffrey DeWitt of Charleroi. Friends will be received Tuesday from 2 to 4 and 7 to 9 p.m.and Wednesday from 9 to 11 a.m.in the Dalfonso-Billick Funeral Home Inc.;441 Reed Ave.;Monessen;where services will be held Wednesday at 11 a.m. Interment will follow in Belle Vernon Cemetery. Arrangements are being handled by the Dalfonso-Billick Funeral Home Inc.;Timothy J.Billick;funeral director.