O'Rourke coached at Sydney Boys High School in the 1940s, mentoring players such as Canterbury-Bankstown Bulldogs and Cronulla-Sutherland Sharks player George Taylforth, St. George Dragons premiership winning halfback George Evans (1962, 1963, 1964, 1965) and 1991 World Cup Winning Australia rugby union coach Bob Dwyer, and was Keith McLellan's contract adviser when signing for Leeds.