Michael H. Drennen, 74, of Rockford, Illinois passed away on Thursday, May 18, 2023 at home surrounded by his family. He was born on August 22, 1948 in Rockford, Illinois, the son of Earl and Margaret (Dunn) Drennen. Married Kristine Stone on October 30, 1976 in Kingston, Illinois. Employed for over 30 years at Amerock where he helped design their state of the art wastewater treatment plant which he ran until his retirement.
Survivors include wife Kristine; children, Sarah (Lucas) Reina, Justin (Beth) Drennen, Patrick Drennen; grandchildren, Katelyn Drennen, Gabriel Drennen, Emmeline Drennen, Finleigh Drennen; and several cousins. Predeceased by parents.
Memorial visitation will be held from 5:00 PM - 7:00 PM Wednesday, June 7, 2023 in Sunset Funeral Home, 8800 N. Alpine Road, Machesney Park. In lieu of flowers, memorials may be given to the family to be used in Michael's name at a later date.
