Kammala wannan jumla: A watan Yuli 1941, Hickory Hill ya zama gidan sabon wanda aka nada Babban Kotun Amurka mai shari'a Robert H. Jackson da matarsa, Irene, wanda, a 1955, bayan mutuwarsa, ya sayar da Hickory Hill ga Sanata John F. Kennedy (D - Massachusetts) da matarsa, Jacqueline. Bayan da
A taron Jam'iyyar Democrat na 1956, an sayar da gidan ga ɗan'uwan John Robert F. Kennedy da matarsa, Ethel, waɗanda ke da iyali mai girma (a ƙarshe yara goma sha ɗaya). Yayin da yake zaune a Hickory Hill, Robert Kennedy ya zama Babban Shari'ar Amurka a shekarar 1961; Sanata na Amurka a shekarar 1965; kuma dan takarar shugaban kasa a shekarar 1968.