Cornwell, Jill Ann, St. Peters, MO, Sun., Feb. 5, 2012. age 57. Dearest daughter of Robert W., Sr. & Mary Cornwell; long time companion of Doug Brotherton; cherished mother of Matthew (Becky) Cornwell; beloved grandmother of Isaiah Cornwell; dear sister of Gail (Garland) Brown & Ellen (Bob) Parnas; also survived by many adoring nieces & nephews. She is preceded in death by her brother, Robert (Missy) Cornwell, Jr.. In lieu of flowers, memorials may be made to St. Jude Children's Research Hospital.