Katherine J. Ziemer, 76, of Rochester, passed away Sunday, September 6, 2020 at Rochester Health Services East. Kathy was born September 24, 1943 in Lewiston, MN to Ralph and Luella (Dorn) Luehmann. She attended grade school at St. John's Lutheran in Lewiston and graduated from Lewiston High School. On November 24, 1962, Kathy married Kenneth Ziemer at St. John's Lutheran Church in Lewiston. Kathy went to work for Mayo Clinic as a cashier and insurance collector, retiring after 20 years of service. Kathy was a member of St. John's Lutheran Church and Resurrection Lutheran Church in Rochester. She was a patient, thoughtful and understanding woman. Kathy enjoyed reading, crocheting, scrapbooking, and taking road trips. Kathy also enjoyed playing solitaire and sudoku but above all, she loved spending time with her grandchildren. Kathy is survived by her loving husband of 58 years, Kenneth; sons, Matthew (Renee) of Dover, Eric (LuAnn) of Pine Island, Owen (Kimberley) of Eyota; grandchildren, James (Jennifer), Joel, Kelly (Tyler), Adam, Alec, Valorie and Luke; great-grandson, Owen and brothers, Lyle (Ruth) Luehmann and Gerald (Mary) Luehmann. Kathy was preceded in death by her parents, Ralph and Luella. A funeral service to celebrate Kathy's life will be held 11:00 a.m. Saturday, September 12, 2020 at Resurrection Lutheran Church, 4520 19th Ave. NW, Rochester with Rev. Joseph Koelpin officiating. Visitation will be held 4:00-7:00 p.m. Friday, September 11, 2020 at Ranfranz and Vine Funeral Home, 5421 Royal Place NW, Rochester and one hour prior to the service at the church. Burial will be at Grandview Memorial Gardens. Memorial contributions may be made to Seasons Hospice or to Resurrection Lutheran Church in memory of Kathy. Ranfranz and Vine Funeral Home is honored to be serving the Ziemer family. To share a special memory or condolence, please visit www.ranfranzandvinefh.com