Michael passed away after a brief illness at St. Mary's Hospital in Green Bay on November 28, 2022 at the age of 74. Mike was born in Two Rivers, Wisconsin, son of Leonard and Gladys McKenna. He graduated from Washington High School and pursued his passion for chemistry, earning a BA degree in chemistry at the University of Wisconsin - Madison.
Mike is survived by his brother Ted, sisters-in-law Helen and Susan McKenna. He has a niece, Colleen McKenzie, and nephews Shane and Robert McKenna. Mike was preceded by his brothers Lee and Daniel.
Mike will be laid to rest at Calvary Cemetery in Manitowoc, Wisconsin.