Doris (Du-Du) R. Fleming Orenish of 317 Church St.; Elizabeth; died Friday; June 20;1986; at 2 p.m. in Jefferson Center Hospital. She was 57. Mrs.Orenish was born Jan. 7; 1929; in Monessen; a daughter of the late John and Lucinda Griffith Fleming. Protestant by faith; she was a member of the Donora Legion Ladies Auxiliary. In addition to her parents she was preceded in death by a sister; Genevieve Hough; in February 1996. Survivors include her husband; Joseph A. Orenish; a brother; John T. Fleming of Monessen; and several nieces and nephews. Friends will be received Saturday from 7 to 9 p.m. and Sunday from 2 to 4 and 7 to 9 p.m. in the Rhome Funeral Home Inc.1209 Grand Blvd.;Monessen;where services will be held Monday;June 23;1986;at 1 p.m. Burial in Belle Vernon Cemetery.