Whakaotihia te rerenga e whai ake nei: I whanau a Christie i Newark, New Jersey, ki a Sondra A. (née Grasso), he kaitiaki waea, me Wilbur James "Bill" Christie, he kaikaute kaute kua oti i te Rutgers Business School. Ko tana whaea he uri Itari (Sicilian), a, ko tana papa he uri Tiamana, Scottish, me Irish. I neke te whānau o Christie ki Livingston, New Jersey, i muri i te
I noho a Christie ki reira tae noa ki tana tohu i te Kura Tuarua o Livingston i te tau 1980. I te Kura Tuarua o Livingston, ko Christie te perehitini o te akomanga, i purei i te kaiwhiwhi mo te tiima petipeti, a i tohua ia hei Tumuaki mo New Jersey ki te Kaupapa Rangatahi o te United States Senate.