Buuxi weedha soo socota: Christie wuxuu ku dhashay Newark, New Jersey, Sondra A. (née Grasso), oo ah shaqaale taleefan, iyo Wilbur James "Bill" Christie, xisaabiye rasmi ah oo ka qalin jabiyay Rutgers Business School. Hooyadiis waxay ka soo jeedaa Talyaaniga (Sicilian), aabbaheedna waa Jarmal, Scottish, iyo Irish. Qoyska Christie waxay u guureen Livingston, New Jersey, ka dib markii
1967 rabshadaha Newark, Christie wuxuu ku noolaa halkaas ilaa uu ka qalin jabiyay Dugsiga Sare ee Livingston 1980. Dugsiga sare ee Livingston, Christie wuxuu ahaa madaxweynaha fasalka, wuxuu u ciyaaray kooxda baseball-ka, waxaana loo doortay inuu noqdo Wakiilka New Jersey ee Barnaamijka Dhallinyarada ee Senate-ka Mareykanka.