Mezue ahịrịokwu na-esonụ: Dempster bụ onye nnọchiteanya na
1956 Democratic National Convention na Chicago, ọ bụ ezie na ọ lara ezumike nká na ndọrọ ndọrọ ọchịchị obodo mgbe e meriri ya na 1955. O mechara sonye na onye iro ya ochie Cas Walker n'ọchịchọ ịga nke ọma iji gbochie ijikọ obodo-obodo, nke ndị Knoxville na ndị Knox County na-atụ vootu jụrụ na ntuli aka nke 1959. Dempster nwụrụ n'ọrịa obi na Septemba 18, 1964. Ihe karịrị 1,000 ndị na-eru újú, n'etiti ha ndị nnọchiteanya nke ndị omebe iwu United States bụ́ Al Gore, Sr., na Herbert S. Walters, jupụtara n'Ụlọ Nzukọ Episcopal St. James maka olili Dempster. E liri ya n'akụkụ nwunye ya na Greenwood Cemetery.