William O'Brien (American football)
William Edward O'Brien (March 11, 1923 – December 1, 2000) was an American football coach and official. He was the seventh head football coach at the Southern Illinois University Carbondale, serving for three seasons, from 1952 to 1954, and compiling a record of 6–20. O'Brien was an official in the National Football League (NFL) for 18 seasons, from 1967 through 1983, officiating in Super Bowl X in 1976. He wore number 83 for the major part of his NFL career. He was also a professor at Southern Illinois University.
William David O'Brien
His first assignment was as a curate at St. Basil's Church on 1850 Garfield Boulevard, where he remained for four years. In 1907, he was named assistant to Monsignor Francis Kelley, director of the Catholic Church Extension Society. In addition to his duties with the Extension Society, O'Brien became pastor of St. John's Church on 100 W. 18th Street in 1924. He was named a papal chamberlain in 1924, and raised to the rank of domestic prelate in 1926. He was the first priest to receive papal honors from the archdiocese's first cardinal, George Mundelein. He became president of the Extension Society in 1925, after Monsignor Kelley was appointed Bishop of Oklahoma. As president, he also served as editor of the monthly "Extension Magazine".