She was born May 23, 1917, in Wyatt, Mo., daughter of James W. and Mabel Hinton Blackburn. She married Roy M. Deck, who died in 1990.
Dorothy had worked at International Hat Factory and was a member of Palmore Chapel Church.
Survivors include two stepdaughters, Loma Woodfin and Nedra Walker of Glenallen; two grandchildren; five great-grandchildren; five stepgrandchildren; and 12 great-stepgrandchildren.
She was preceded in death by her parents; a daughter, Virginia Babb; two stepsons, Dale and Clifford Deck; two brothers, a sister, a grandchild, and a stepgrandchild.
Visitation will be from 4 to 8 p.m. Sunday at Liley Funeral Home in Marble Hill.
The funeral will be at 11 a.m. Monday at the funeral home, with the Rev. Ray Meek officiating. Burial will be in Oak Grove Cemetery at Charleston, Mo.