Dean R.Johnson;39;of 645 Graham St.;Belle Vernon;died Thursday;Dec.26;1991;at 10:14 p.m.in Mon Valley Hospital. He was born Feb.5;1952;in North Charleroi;a son of Calvin and Elaine Evans Johnson;who survive and reside in Webster. A resident of Belle Vernon for the past eight years;Mr.Johnson was a member ot St.Sebastian Roman Catholic Church. He was retired from the U.S.Air Force where he served as an aero-medical technician. He served during the Vietnam Conflict. He was a member of the Disabled American Veterans. He also served as a coach for the Mon Valley Hockey League and additionally assisted with the Belle Vernon hockey team. In addition to his parents;he is survived by his wife;Lynne Smith Johnson;two sons;John Michael Johnson and Dean R.Johnson Jr.;and two daughters;Teresa Johnson and Stephanie Johnson;all at home;and one brother;Douglas Johnson of Belle Vernon. 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 Leonard J.Parzynski Funeral Home;626 Broad Ave.;Belle Vernon;where a blessing service will be held Monday at 10 a.m. Burial will be in Belle Vernon Cemetery. The Leonard J.Parzynski Funeral Home is in charge of the arrangements.