Mark A. Diederich Obituary
It is with sadness that the passing of Mark A. Diederich (Neenah, Wisconsin) is shared. Mark, born on July 16, 1958, passed away on August 30, 2026. Leave a sympathy message to the family on the memorial page of Mark A. Diederich to pay them a last tribute.
He was predeceased by: his parents, Richard Diederich and Sally Diederich; and his parents-in-law, John and Mary Jo Kellogg. He is survived by: his wife Kristina "Tina" Diederich; his children, Monica Willison (Curtis) and Mark Diederich (Jennifer); his grandchildren, Olivia, Emma Willison, Drew and Addison Diederich; and his siblings, Scott Diederich (Debbie) and Joy Van De (Dave). He is also survived by many loving brothers- and sisters-in-law; and numerous nieces, nephews, extended family members, and dear friends.
