Bullock graduated from Fairfield High School and was immediately drafted into service for World War II. He was sent to France and saw service in the Ardennes, Rhineland and Central Europe, earning a Bronze Star for heroism. After the war he worked as a military contractor in Germany and Austria, and later in Arlington, Virginia. He and his first wife, Rita, had two daughters, Nancy and Katherine.
John and Rita divorced in 1961 and he later married German operatic singer Helga Meyer, whom he had met in Nürnberg. They married and had two daughters, Sandra and Gesine.
In retirement Bullock worked as a vocal coach, operating studios in New York City and Washington D.C. He and Helga partnered with Sandra in her production company Fortis Films. Helga died in 2000 from colon cancer.
Bullock moved back to Birmingham later in life. He died in 2018 and was survived by his four daughters, six grandchildren and seven great-grandchildren. He was buried at Aspen Hill Cemetery in Jackson, Wyoming.
- "Dad's bitter divorce papers come back to haunt Bullock." (September 9, 2010) Daily Express
- "John Wilson Bullock" obituary (October 3, 2018) The Birmingham News