Christie wuxuu ku dhashay Newark, New Jersey, Sondra A. (née Grasso), oo ah shaqaale taleefan, iyo Wilbur James "Bill" Christie, oo ah 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, kadib rabshadihii Newark ee 1967
, Christie-na halkaas ayuu ku noolaa ilaa uu ka qalin jebiyay dugsiga sare ee Livingston 1980kii. 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.