Michael D. Stimac, Sr., 86, of Grayslake, passed away comfortably at home on October 18, 2015. He was born on April 18, 1929 in North Chicago. Michael was a United States Army Veteran. He is survived by his loving children, daughter, Sue Stimac and son, Mike Stimac. He was preceded in death by his parents, Frank and Mary Stimac, and beloved wife of 56 years, Shirley A. Stimac. Ceremonies will be private.