Francis Buckle was an English jockey

Jockey

A jockey is an athlete who rides horses in horse racing or steeplechase racing, primarily as a profession. The word also applies to camel riders in camel racing.-Etymology:...

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Born in Newmarket, Buckle started racing at the stables of Richard Vernan, making his first appearance in 1783 at the age of 17. His first win in one of the English Classics came in 1800, when he won both the St. Leger Stakes

St. Leger Stakes

The St. Leger Stakes is a Group 1 flat horse race in Great Britain which is open to three-year-old thoroughbred colts and fillies. It is run at Doncaster over a distance of 1 mile, 6 furlongs and 132 yards , and it is scheduled to take place each year in September.Established in 1776, the St. Leger...

 and the Epsom Derby

Epsom Derby

The Derby Stakes, popularly known as The Derby, internationally as the Epsom Derby, and under its present sponsor as the Investec Derby, is a Group 1 flat horse race in Great Britain open to three-year-old thoroughbred colts and fillies...

 on Champion. In his career, Buckle rode 27 Classic wins, including 5 Derby winners, 9 Epsom Oaks

Epsom Oaks

The Oaks Stakes is a Group 1 flat horse race in Great Britain open to three-year-old thoroughbred fillies. It is run at Epsom Downs over a distance of 1 mile, 4 furlongs and 10 yards , and it is scheduled to take place each year in early June....

 and 2 St Leger stakes. He principally rode for Lord Grosvenor

Richard Grosvenor, 1st Earl Grosvenor

Richard Grosvenor, 1st Earl Grosvenor , known as Sir Richard Grosvenor, 7th Baronet between 1755 and 1761 and as The Lord Grosvenor between 1761 and 1784, was a British peer, racehorse owner and art collector...

, but also rode for Sir Charles Bunbury, Colonel Mellish, and for the Grafton stable. He continued riding until 1828, aged 65.