He was born February 13, 1961 in Chicago to Donald and Nancy (Birmingham) Klenske.
Jack was an avid golfer, enjoyed race cars and motorcycles. He was a great father and loved spending time with his sons. Jack would give the shirt of his back to help others.
Jack is survived by his sons, Owen (Deanna), Mitchell, and Sam Klenske; his grandson, Liam; his parents, Donald and Nancy; and his siblings, Madelyn (Bill) Richardson, Don (Lisa) Klenske, Becky Klenske, Dan (Becky) Klenske; and many nieces, nephews, and beloved friends.
Jack is preceded in death by his wife, Cathy.
There will be a visitation from 2 to 8pm on Friday, April 16 at Marengo-Union Funeral Home, 505 E. Grant Hwy., Marengo. Due to current conditions, a maximum of 50 people are allowed in the funeral home at one time and facial coverings are required.
The funeral Mass will be livestreamed at 11am on Saturday, April 17 on the Marengo-Union Funeral Home Facebook page.
Online condolences may be made at www.marengo-unionfuneralhome.com.