Jack I. Wiehn, age 77, passed away on September 9, 2025. Loving husband of over 40 years to Christine Hannigan-Wiehn; Beloved father to John (Noelani Whitley) Wiehn, Jr.; Cherished brother to Susan (Steve) Tisza, Barbara (John) Minogue, Karen Wiehn, and Judy Wiehn; Dear uncle, cousin, and friend to many. Jack was preceded in death by his parents, George and Lola Wiehn. Visitation will be from 3-8 PM on Thursday, September 18, at Blake-Lamb Funeral Home, 5015 Lincoln Ave, Lisle, IL 60532. Mass of Christian Burial will take place at 11 AM on Friday, September 19, at St. Scholastica Church, 7800 James Ave, Woodridge, IL 60517. Interment will be private. In lieu of flowers, donations in Jack’s name may be made to St. Jude Children’s Research Hospital, 501 St Jude Pl, Memphis, TN 38105, or to the West Suburban Food Pantry, 6809 Hobson Valley Dr, Ste 118, Woodridge, IL 60517.