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 Smith O'Brien (Congressman)
O'Brien was born in Audra, near Philippi in Barbour County, Virginia (now West Virginia). He attended the common schools, the Weston Academy, and the West Virginia University at Morgantown. He worked as a laborer on farms, in brick yards, and on public works. He also taught school and worked as an editor. He graduated from the law school of the University of West Virginia at Morgantown in 1891. He was admitted to the bar the same year and commenced the practice of law in Buckhannon, West Virginia in Upshur County in 1892.