Susan Marie Marshall, 66, of Montrose, IA, died Friday, July 27, 2018 at her home. She was born on October 17, 1951 in Topeka, KS, the daughter of Rollie and June Cooper Dinwiddie. Susan graduated from Central Lee High School with the Class of 1969. She married Paul Marshall in 1970 and they later divorced. She had been employed at Keokuk Steel Castings, Pinnacle (Dial) and numerous other customer service jobs. Susan was a member of the Southside Boat Club in Keokuk. She was of the Catholic faith. She was an avid fan of the Chicago Cubs and the Iowa Hawkeyes. She loved to watch Jeopardy and work on crossword puzzles. Through the years, Susan's greatest joy was spending time with her grandchildren. She is survived by two sons, Jeff Marshall of Auxvasse, MO and Matt Marshall of Burlington, IA, one daughter, Adrienne Burdette and her husband Steve of Waterloo, IA, four grandchildren, Jakota McGee, Taylor and Conner Marshall and Owen Burdette, one brother, Ron Dinwiddie and wife Sue of Montrose, one sister, Patti Dinwiddie of Pittsburgh, PA, a sister-in-law, Karen Dinwiddie of Montrose and numerous nieces and nephews. She was preceded in death by her parents, one brother, Garry Dinwiddie and a special friend, Chuck Gardner. A Gathering of Remembrance for family and friends was held Tuesday, July 31st, from 5 – 7 p.m. at the Vigen Memorial Home in Keokuk. In lieu of flowers, memorials may be made to the Montrose Fire Department.