Comey mụrụ na Disemba 14, 1960, na Yonkers, New York, nne na nna Joan Marie Comey (née Herald) na J. Brien Comey. Nna nna ya, William J. Comey, bụ onye ọrụ na mgbe e mesịrị kọmishọna nke Yonkers Police Department. Ezinụlọ ahụ kwagara Allendale, New Jersey, na mmalite afọ 1970. Nna ya na-arụ ọrụ na ụlọ ọrụ ụlọ ọrụ na nne ya bụ onye ndụmọdụ kọmputa na onye na-elekọta ụlọ. Comey bụ ihe nketa Irish. Ọ gara Northern Highlands Regional High School na Allendale; na 1977 ya na nwanne ya nwoke bụ ndị mwakpo nke onye omekome a na-akpọ "The Ramsey Rapist".
Juris Doctor (JD)