Mark Stach Obituary
With heavy hearts, we announce the death of Mark Stach of Sioux Falls, South Dakota, who passed away on March 7, 2025 at the age of 69. Leave a sympathy message to the family on the memorial page of Mark Stach to pay them a last tribute.
He was predeceased by: his parents, Thomas Stach and Evelyn Stach (Delapp); and his siblings, Pat and Paul. He is survived by: his wife Marilyn Gorath; his son Jared (Anna); his grandsons, Declan and Luca; his siblings, Tim (Gloria), Mary Beth Overbay (Russ) and Dinie Koster (Don); and his siblings-in-law, Rich Rands and Shirley Stach. He is also survived by family members and friends.
