A forward who played in the American Soccer League from 1925 to 1938, winning two league championships.
O’Brien, who was born in Scotland and came to America at the age of 11, joined the New York Giants and played for them until 1932. He scored two key goals for the Giants in their comeback from a seven-goal deficit in the two-leg ASL final of January 1932. In 1934, in the first season of the re-formed ASL, he won a second ASL title playing for the Kearny Irish in his adopted hometown. He then continued playing for Kearny Irish until 1938.
In 1933, during the gap between the first and second ASLs, he was a member of the New York Americans team that reached the final of the U.S. Open Cup against Stix, Baer & Fuller of St. Louis.
Inducted in 1990.