 Appropriately for a man who was associated all his adult life with a cavalry regiment, McCreery was a highly accomplished horseman.He twice won the Grand Military Gold Cup at Sandown Park Racecourse (in 1923 and 1928), and represented the Army at polo.In 1924 he and his younger brother Captain Selby McCreery constituted 50 percent of the Army polo team that played against the United States.