Martha Jane "Jimmie" Heusler (née: Hardin), of St. Charles, Missouri, died on Tuesday, February 7, 2012 at the age of 84. She was the loving wife of the late Anton F. Heusler, M.D.; beloved daughter of the late Thomas L. and Mabel J. Hardin; devoted mother of Michael (Nancy Krug) Heusler, William (Elsie Scharff) Heusler, Thomas (Nancy) Heusler, and John F. Heusler; cherished grandmother of Sara (Thomas) Leimkuehler, Cassandra (Matthew) Allen, Jessica Heusler, Kaily Grace Heusler, and Nathan Warren; treasured great-grandmother of Andrew Leimkuehler, Braden Leimkuehler, Colton Leimkuehler, Rachael Allen, and Griffin Allen; dear sister of Thomas Lee "Pat" Hardin, Jr.; and dear aunt, cousin, and friend to many. Martha was a past President and founding member of the South Main Preservation Society in St. Charles, an entrepreneur, and a business manager. Memorials may be made to the American Lung Association.