Donald R. Duncan, 66 of Arnold Missouri died on Monday, July 19, 2010 at St. Anthony's Hospital in St. Louis, Missouri. Born, September 2, 1943 in St. Louis, MO. He was the Beloved Husband of Lora Duncan nee Hembree and son of the Late Donald and Elveria Duncan. Dear brother of Ruth Ann Fields of Piedmont, MO, Shirley Malone of St. Louis, MO, Eunice Summers of Piedmont, MO, Roger Duncan of Bloomsdale, MO, Sandy (Mark) Unterlechner of Arnold, MO and the late Alan Duncan and Susan Marburger. Dear Uncle, Great Uncle, Cousin and Friend. Service wil be held at Jay B. Smith Funeral Home, 777 Oakwood Dr in Fenton, MO on Thursday July 22, 2010 at 10:00 am. Interment following in Sheperd Hill Cemetery. Visitation Wednesday, July 21, 2010 4:00pm to 8:00pm at Jay B. Smith Funeral Home, Fenton, MO. Online condolences may be made to the the family at jaybsmith.com