Mezue ahịrịokwu na-esonụ: A mụrụ Christie na Newark, New Jersey, nye Sondra A. (née Grasso), onye na-anabata ekwentị, na Wilbur James "Bill" Christie, onye na-ahụ maka ego ọha na eze nke gụsịrị akwụkwọ na Rutgers Business School. Nne ya bụ onye Ịtali (Sicilian), nna ya bụ onye Germany, Scotland, na Irish. Ezinụlọ Christie kwagara Livingston, New Jersey, mgbe
1967 Newark ọgba aghara, na Christie biri ebe ahụ ruo mgbe ọ gụsịrị akwụkwọ na Livingston High School na 1980. Na Livingston High School, Christie jere ozi dị ka onye isi klas, na-egwu catcher maka ndị otu baseball, ma họrọ ya dị ka onye nnọchi anya New Jersey na United States Senate Youth Program.