Mrs. Yvonne Davis Stem, age 70, of Villa Rica passed away Monday, August 22, 2011. Survivors include one daughter, Tammy Black of Palm Coast, FL; two sons, Scot Davis of Villa Rica and Stewart Davis of Dahlonega; eight grandchildren; one great grandchild; and a number of other relatives. A memorial service will be conducted at a later date. Hutcheson''s Memorial Chapel & Crematory of Buchanan is in charge of the arrangements.