Mary Pettit Knight, 78, Clarksville, died Sunday, February 7, 2010, at Walking Horse Meadows Assisted Living. The funeral will be held at 11 a.m. Wednesday at Neal-Tarpley-Parchman Chapel. Visitation will be from 4 to 7 p.m. Tuesday and from 10 a.m. until the hour of the service Wednesday at the funeral home. A Committal service will be held at 2 p.m. Wednesday at Middle Tennessee Veterans Cemetery in Pegram, TN. Neal-Tarpley-Parchman Funeral Home is in charge of arrangements. Survivors include four daughters, Sandra Marrero, Pamela Keen, Donna Knight Evans, all of Clarksville and Deborah Woolf, Hopkinsville, KY.; eight grandchildren, and nine great-grandchildren.