Della Mae Derry Mosley;63;of Pricedale died Sunday;March 26;1972;at 6:35 p.m. in Brownsville Hospital after a lingering illness. She was born in Pricedale Jan.4;1909. She was a member of Pleasant Green A.M.E.Church;where she served as organist for many years. Surviving are her husband;Frederick;three sons;Clarence of Denver;Colo.;Fred of Harrisburg and Cecil at home;two daughters;Pearl Chaney and Mrs.Frank (Geneva) Grace;both of Denver;Colo.;two sisters;Mrs.Rosette Washington of Pricedale and Mrs.Essie Johnson of Greensburg;12 grandchildren and one great-grandchild. Friends will be received after 7 p.m. Tuesday and from 2 to 4 and 7 to 9 p.m. thereafter at the William R.Taylor Funeral home;Monessen;until the time of the service Thursday;March 30;at 1 p.m. at Pleasant Green A.M.E.Church;Pricedale;with the Rev.Bertha B.Syndor;pastor;officiating. Interment will be in Belle Vernon Cemetery. William R.Taylor;funeral director.