Jan Disbrow (nee: Cowart), of St. Charles, Missouri, died on Friday, December 23, 2011 at the age of 62. She was the loving wife of David Disbrow; beloved daughter of Herbert and Shirley Cowart; devoted mother of Laura (Craig) Hartman, Scott (Jennifer) Disbrow, and Jeff (Amanda) Disbrow; cherished grandmother of Madeline Hartman, Olivia Hartman, Will Hartman, Justin Disbrow, Brianna Disbrow, Scott Disbrow, Peyton Disbrow, Isaac Disbrow, and Luke Disbrow; and dear sister of Donna (Mike) McNiff. Jan was a Guidance Counselor at Duchesne High School for 33 years. In lieu of flowers, memorial donations may be made to Duchesne High School, the National Institute of Neurological Disorders and Stroke, or the Muscular Dystrophy Association (MDA).