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.
Lucius O'Brien, 13th Baron Inchiquin
He again contested Clare in 1847, topping the poll and ousting Cornelius O'Brien. In 1848, he published a book, "Ireland in 1848: the late famine and the Poor Laws". During the same year, his brother William Smith O'Brien, a Liberal, led an abortive rebellion and narrowly escaped hanging. O'Brien did not contest Clare in 1852.