William "Bill" L. Duncan, 83, passed away April 12, 2021 at Blount Memorial Hospital.  He was a faithful member of Faith Baptist Church, and a veteran of the US Air Force.  He was a mechanic for Delta Airlines and retired after 30 years.  He is preceded in death by his wife, Deloris.  He is survived by his children, William, Adam, and Susan; granddaughters, Tiffany and Heather.  Bill was a wonderful man and will be missed by all who knew and loved him.  As wished by Bill, the family will have a private graveside service.  Arrangements are with Miller Funeral Home, Maryville.