Mezue ahịrịokwu na-esonụ: Na July 1941, Hickory Hill ghọrọ ebe obibi nke Onyeikpe Ụlọikpe Kasị Elu United States nke a họpụtara ọhụrụ bụ́ Robert H. Jackson na nwunye ya, Irene, bụ́ ndị, na 1955, mgbe ọ nwụsịrị, resịrị Hickory Hill nye Onye omebe iwu United States bụ́ John F. Kennedy (D-Massachusetts) na nwunye ya, Jacqueline. Mgbe ndị
Na 1956 Democratic National Convention, e rere ụlọ ahụ nye nwanne John Robert F. Kennedy na nwunye ya, Ethel, onye nwere ezinụlọ na-eto eto (n'ikpeazụ ụmụ iri na otu). Mgbe ọ bi na Hickory Hill, Robert Kennedy ghọrọ Attorney General nke United States na 1961; onye omebe iwu nke United States na 1965; na onye isi ala na 1968.