Donna Sue Davis Homicide Donna Sue Davis 21 months of age 715 Isabella Street Sioux City, IA Woodbury County July 10, 1955 Case Summary by Jody Ewing onna Sue Davis hadn’t yet reached her second birthday. The 21-month-old 21-pound blue-eyed girl with the mass of dark blond curly hair was the youngest of James (“Don”) and […]