Theresa Ventresco is found with her family in the 1930 Federal Census of Pitcairn, Allegheny County, Pennsylvania. Her parents, Frank and Adele ("Della" DiCenzo), were both born in Italy, and Frank worked as a car repairman on the railroad. Theresa's siblings in 1930 were Joseph, Mary, Victor, Eilene, Ralph, and Elsie. "Tresa," age 5, was the youngest.

During World War II, Theresa, a student nurse at St. Francis, was a member of the Cadet Nursing Corps.

A news article indiates that a Theresa Ventresco became a Nurse Anesthetist.