Rosa Ann (Williams) Mostoller, 74, of Grand Rapids, passed away Monday, June 19, 2017 at Grand Itasca Clinic & Hospital. She was born February 27, 1943 in Cleveland, TN to Benjamin and Ellen (Bailey) Williams. She had worked as a Certified Nursing Assistant. Rosa was a member of Grace Bible Chapel. She was preceded in death by her parents; step-father, Emmett; children, Thomas, Timothy, and Michael Mostoller; brothers, Freddy, Lamar, Jimmy; and sisters; Shirley, Carolyn, and MaryLou. Rosa is survived by her sons, Anthony (Angie) Mostoller, Steve (Christa) Mostoller both of Grand Rapids, MN; brother, Gary Williams of Vicksburg, Ms.; sister, Faye (Dale) Shaffer of Holtville, CA; grandchildren, Ryan and Brady Mostoller, Derak Mostoller, Luke, Logan and Hunter Mostoller. Memorial Service: 2:00 p.m. Monday, June 26, 2017 at Andrews-Libbey Funeral Home & Cremation Services, 520 N.E. 2nd Ave, Grand Rapids, MN, 55744. See online family guestbook at www.andrews-libbeyfh.com.