St. Leger family of Lt. Col. (later Major-General) Anthony St. Leger, and ran for the first time over a two-mile course on Cantley Common in Doncaster. The classic race, The St. Leger, has been run at Doncaster ever since. Most St. Legers in the UK today descend from Sir Anthony St. Leger, KG of Ulcombe, Kent. The Viscounts Doneraile, whose seat was at Doneraile, Co. Cork, in Ireland, descend from Sir Anthony's first son, William, and the Heywards Hill branch of the family, also originally of Co. Cork, descend from his second son, Warham. (The account given in the "Peerage of Ireland" by
Irish St Leger Trial Stakes Leger. The last horse to win both races in the same year was Flag of Honour in 2018. Most successful horse since 1989 (3 wins): Leading jockey since 1989 (5 wins): Leading trainer since 1989 (6 wins): Irish St Leger Trial Stakes The Irish St Leger Trial Stakes is a Group 3 flat horse race in Ireland open to thoroughbreds aged three years or older. It is run at the Curragh over a distance of 1 mile and 6 furlongs (2,816 metres), and it is scheduled to take place each year in August. The event was originally called the Ballycullen