William Siner Obituary

It is with great sadness that we announce the death of William Siner of Granite City, Illinois, who passed away on September 17, 2025, at the age of 82, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, William H. Siner and Blanche Siner (Madosh). He is survived by: his brother Jerry; his sister-in-law Gerry Siner of Granite City; his nieces, Christina Schwartz (Jim) and Christina Karoll (Brad); his nephew John Siner; and his great-nieces and great-nephews, Jeffrey, William, Jim and Riley. He is also survived by extended family members and dear friends.

In lieu of flowers, memorial donations may be made to St. Jude Children's Research Hospital, a cause close to Bill's heart.