July 1941, Hickory Hill waxay hoy u noqotay Maxkamadda Sare ee Maraykanka Robert H. Jackson iyo xaaskiisa, Irene, kuwaas oo, 1955, geeridiisa ka dib, Hickory Hill u iibiyay Senator-ka Maraykanka John F. Kennedy (D-Massachusetts) iyo xaaskiisa, Jacqueline. Ka dib Shirkii Qaranka ee 1956
, guriga waxaa loo iibiyay John walaalkiis Robert F. Kennedy iyo xaaskiisa, Ethel, oo lahaa qoys sii kordhaya (ugu dambayntii kow iyo toban carruur ah). Intii uu ku noolaa Hickory Hill, Robert Kennedy wuxuu noqday Xeer ilaaliyaha Guud ee Mareykanka 1961; Senatorka Mareykanka 1965; iyo musharax madaxweyne 1968.