William Jefferson Blythe Jr. lost control of his 1942 Buick on U.S. Route 60 outside of Sikeston, Missouri, after one of his car's tires blew out. He survived the accident after being thrown from the car, but drowned in a drainage ditch as he tried to pull his way out of the three feet (1 meter) of water in the ditch. Three months later, Blythe's widow, Virginia, gave birth to their son, whom she named William Jefferson Blythe III in honor of his father and grandfather. In 1950, Blythe's widow married Roger Clinton Sr.; 12 years later, Blythe's posthumous son legally adopted his stepfather's
Ernest Blythe was born to a Church of Ireland and unionist family in the townland of Magheraliskmisk, Maghaberry, County Antrim, in 1889, the son of James Blythe, a farmer, and Agnes Thompson. He was educated locally, at Maghaberry Cross Roads primary school. At the age of fifteen he started working as a clerk in the Department of Agriculture in Dublin. Seán O'Casey invited Blythe to join the Irish Republican Brotherhood, which Blythe accepted. He was 18 at the time. He also joined Conradh na Gaeilge, where his first Irish teacher was Sinéad Flanagan, the future wife of Éamon de Valera. He was