Nyorai kupfuurira kweiyi ndima - Dempster akadanwa mumiriri ku1956 Democratic National Convention
muChicago, kunyange zvazvo akasiya zvematongerwe enyika muguta racho pashure pokukundwa kwake muna 1955. Gare gare akabatana nemuvengi wake wekare Cas Walker mukuedza kubudirira kudzivisa kusimbiswa kweguta-dunhu, iro rakarambwa zvine mutsindo nevavhoti veKnoxville neKnox County murunyerekupe rwe1959. Dempster akafa nechirwere chomwoyo musi waSeptember 18, 1964. Vanhu vanochema vanopfuura 1.000, pakati pavo Seneta weU.S. Al Gore, Sr., naHerbert S. Walters, vakaungana muSt. James Episcopal Church nokuda kwamariro aDempster. Akavigwa pedyo nomudzimai wake muGreenwood Cemetery.