Dennis Moon Mullen;38;of North Charleroi;died Saturday;March 13;1993;at home. He was born March 24;1954;in North Charleroi;a son of John E.and Patricia Horvath Mullen of North Charleroi. Mr.Mullen graduated from Charleroi High School in 1972. He was a member of Mary;Mother of the Church;Charleroi;and the Charleroi Coin Club. He had worked at Consolidated Coal;Wheeling-Pittsburgh Steel where he was a quality control inspector and also Genesis Packaging Systems. In addition to his parents;he is survived by two brothers;Robert E.Mullen of Bethel;Conn.;and Peter L.Mullen of New Fairfield;Conn.;two sisters;Mrs.David (Katheleen) Turney of Long Branch and Mrs.Duncan (Luanne) Hyslop of North Charleroi;and aunts;uncles;nieces and nephews. Friends will be recieved at the Schrock-Hogan Funeral Home Inc.;226 Fallowfield Ave.;Charleroi Tuesday from 7 to 9 p.m.and Wednesday from 2 to 4 and 7 to 9 p.m. A Mass of Christian Burial will be held Thursday at 10 a.m.;at Mary;Mother of the Church;St.Jerome Parish;Charleroi. Interment will be in Belle Vernon Cemetery. The family requests memorial contributions be made to the American Cancer Society or a charity of their choice. The Schrock-Hogan Funeral Home Inc.is in charge of the arrangements.