Alan Corey Jr. attended the Aiken School in Aiken, South Carolina, in the 1930s, where he started playing polo.[1] He graduated from Yale University, where he won the Polo Intercollegiate Championship in 1938.[1]
As a professional player, he was distinguished as a nine goal handicap in 1953 and maintained a rating of seven goals or more for the next thirty years.[1] He won the United States Open Championship in 1940, 1941, 1950, 1953 and 1954.[3] He also won the Monty Waterbury Cup five times, and the National Twenty Goal four times.[1] He also won National Twelve Goal Tournament in 1963 with his son Alan, and reached the finals of the National Sixteen Goal with his younger son, Russell, in 1969.[1]