Sarah McDonald Blackwell, age 88, of Lawrenceville, Georgia, passed away on Thursday, January 17, 2008. She is survived by her cousins, Victor McKelvey, Christine Marshall and Kathryn Caldwell. A funeral service will be held on Sunday, January 20, 2008 at 1:30p.m. at Wages & Sons Gwinnett Chapel with Dr. Earl Bland officiating. Burial will be at Gwinnett Memorial Park in Lawrenceville. In lieu of flowers, donations can be made to Alzheimer's Association, 1925 Century Blvd., NE, Ste. 10, Atlanta, GA 30345-3315 or Lawrenceville Presbyterian Church, 800 Lawrenceville Highway, Lawrenceville, GA 30045. The family will receive friends from 12:00p.m. until 1:30p.m. at Wages & Sons Gwinnett Chapel, 1031 Lawrenceville Highway, Lawrenceville, 770-277-4550.