Among the jockeys who rode for Cain Hoy Stable were Henry Moreno, Manuel Ycaza, and Braulio Baeza.
Trainers who worked for the stable included Frank A. Bonsal, Moody Jolley, Loyd Gentry Jr., Eddie Hayward, William W. Stephens, and U.S.
They won the 1953 edition with Dark Star, handing the future Hall of Famer Native Dancer the only defeat of his career.
Other successful horses included: In failing health, in January 1970 the elderly Harry Guggenheim sold Cain Hoy's bloodstock at a dispersal sale.
The records of Cain Hoy Stables are part of the Harry Guggenheim papers at the United States' Library of Congress.