Calvin O’Sullivan
Calvin O’Sullivan was a significant figure in Jamaica's horse-racing history, having managed Orange Valley Estates as a stud farm starting in 1961. Under his management, the estate produced numerous champion thoroughbreds, including notable winners of the Jamaica Derby and the Triple Crown, solidifying its reputation as a leading breeding operation until his passing in 1987.
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Calvin O’Sullivan managed Orange Valley Estates and was succeeded by Alec Henderson.
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