Mary Diederich

Diederich, Mary J. (Nee Piekenbrock) Born August 1, 1927, passed away July 10, 2018 at the age of 90. Preceded in death by her husband, William "Bill" Diederich and siblings Bill Piekenbrock and Ann Ford. Devoted mother to Bob (Rosalind), Tom, and Barbara Muller. Beloved grandmother to Stephen, Kathryn, and William, and great-grandmother to Kayden. Further survived by other relatives and friends. Mary will be deeply missed by her family and dear friends. Memorial service will be held Thursday, July 19 at 3 PM at St. Francis Borgia, 1375 Covered Bridge Rd, Cedarburg. Visitation from 2 PM until the time of service. In lieu of flowers, memorials to the Froedtert Cancer Center appreciated.