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 O'Brien (actor)
William O'Brien was probably born in County Clare in about 1740 to a family which claimed a distant connection to the Viscounts Clare. His father was a fencing master in Dublin David Garrick brought O'Brien over to London from Dublin in 1758 to join his actor's company at Drury Lane. O'Brien was successful in a number of roles, particularly Shakespeare and contemporary comedies. O'Brien was an actor in the company of He eloped with Lady Susannah "Susan" Fox-Strangways, eldest daughter of Stephen Fox, the first Earl of Ilchester, whom he had met when they both performed in amateur theatricals at Holland House. Their marriage, which took place on 7 April 1764 at St. Paul's Church, Covent Gardens, was disapproved of by Lady Susan's family.