Cyril L.Pettko;62;of 116 Linden Ave.;Monessen;died at 12:05 a.m. Tuesday;June 1;1971;at his residence following a brief illness. Born in Monessen;he was the son of the late Stephen and Anna Ulicny Pettko. Mr.Pettko was a retired employee of the Irvin Works of U.S.Steel Corp. A World War II veteran;he was a member of the Most Holy Name of Jesus R.C.Church of Monessen. He was aa life member of the Slovak Home;Polish National Alliance and American Legion Post 28;all of Monessen. Surviving are his widow;Clara Agnolucci Pettko;a son;C.Leslie;Pleasant Hills;four sisters;Mrs.John (Regina) Phythyon;Perryopolis;Mrs.Frank (Valerie) Gallo and Mrs.John (Katherine) McKnight;both of Aliquippa;Mrs.Emil (Irene) Forgac;Monessen;a brother;Milan;Monessen. Friends are being received after 7 p.m. today at the Raymond D.Dalfonso Funeral Home;441 Reed Ave.;Monessen. A blessing service will be held at 9:30 a.m. in the funeral home;followed by a requiem high mass in Holy Name of Jesus;R.C.Church of Monessen;with the Rev.Matthew A.Yarosek;the Celebrant. Burial will be in Belle Vernon Cemetery. Raymond D.Dalfonso is the funeral director in charge.