Age 92 ~ Of North Oaks, MN. Went to be with the Lord on February 3, 2019. Dorothy was born on January 13, 1927 to Helen and Harold Mears from St. Paul, MN. Dorothy was preceded in death by her husband William (Bill) Koch, her brother Jim Heidemann & daughter-in-law Diann Dunlevy-Koch. Dorothy grew up & later raised her own family in E. St. Paul, MN. A wizard on the sewing machine, she worked at Powers Department Store as a seamstress for many years. Dorothy is survived by her sons Robert (Maryann), Jim (Melissa), Thomas (Mary), & Mike (Donna); 11 grandchildren; & 9 great grandchildren. A Celebration of Life will be held at Waverly Gardens in North Oaks at a later date. Interment Fort Snelling National Cemetery.