Una Lee "Cissy" Duncan, 41, of Keokuk, IA, died Thursday, August 10, 2006 at her home. She was born on January 31, 1965 in Keokuk, IA, the daughter of Robert and Una Sherlene Henson Duncan. Una graduated from Keokuk High School with the Class of 1981. She had been employed at the Parkridge Workshop for nine years. Una enjoyed riding motorcycles and collecting Pepsi memorabilia and monkeys. She had a great love for animals and liked to ride horses and take care of her dog. She is survived by one son, Vincent Anthony Mason of Keokuk, IA, her mother Sherlene Duncan of Keokuk, IA, her father, Robert Duncan of Cocoa, FL, aunts and uncles and many special friends. There was no visitation or service.