Nannie Doss (born 4 November 1905 – 2 June 1965) was a serial killer responsible for the deaths of eleven people between the 1920s and 1954. She finally confessed to the murders in October 1954, when her fifth husband had died in a small hospital in Tulsa, Oklahoma. In all, it was revealed that she had killed four husbands, two children, her two sisters, her mother, a grandson and a nephew. She has been given the monikers "The Giggling Granny" and "The Jolly Black Widow".