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.
Cornelius J. O'Brien
He was born in 1869 in Port Dickinson, New York. He joined a minstrel show and later appeared with Lew Dockstader for a few years. He next performed in vaudeville then he started the Neil O'Brien Minstrel Company in 1913. He toured from 1913 to 1925. He next teamed up with James J. Corbett, the boxer to tour as a vaudeville comedy act. He retired in 1929.