Thorncliffe Stable is a defunct Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 and Standardbred horse racing

Horse racing

Horse racing is an equestrian sport that has a long history. Archaeological records indicate that horse racing occurred in ancient Babylon, Syria, and Egypt. Both chariot and mounted horse racing were events in the ancient Greek Olympics by 648 BC...

 and breeding

Horse breeding

Horse breeding is reproduction in horses, and particularly the human-directed process of selective breeding of animals, particularly purebred horses of a given breed. Planned matings can be used to produce specifically desired characteristics in domesticated horses...

 operation established in 1888 in Toronto

Toronto

Toronto is the provincial capital of Ontario and the largest city in Canada. It is located in Southern Ontario on the northwestern shore of Lake Ontario. A relatively modern city, Toronto's history dates back to the late-18th century, when its land was first purchased by the British monarchy from...

, Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

 by businessman Robert T. Davies

Robert T. Davies

Robert T. Davies was a Canadian businessman and Thoroughbred and Standardbred racehorse owner and breeder.Born in Toronto, Ontario, he studied at Park School and Upper Canada College, in the early 1870s Robert Davies married Margaret Anne Taylor, the daughter of John Taylor, owner of paper mills...

. The stable was based at Davies' Thorncliffe Farm in the Don River Valley in what is now known as Thorncliffe Park

Thorncliffe Park

Thorncliffe Park is a densely populated, multicultural neighbourhood in central east Toronto, Ontario, Canada, in the former Borough of East York. East York merged with five other municipalities and a regional government in 1998 to form the new "City of Toronto"...

.

When Robert Davies died in 1916 his sons, Robert, George, Wilfred and Melville took over the racing operation but sold the Thorncliffe farm property to a group of investors from Baltimore, Maryland who built Thorncliffe Park Raceway.

During its existence, Thorncliffe Stable won numerous important races in Ontario including the:

• Coronation Futurity (1921, 1922, 1928, 1932)
• Queen's Plate
  Queen's Plate
  The Queen's Plate is Canada's oldest thoroughbred horse race. It is run at a distance of 1¼ miles for 3-year-old thoroughbred horses foaled in Canada. The race takes place each summer in June or July at Woodbine Racetrack, Etobicoke , Ontario...
  
   (1922, 1929)
• Breeders' Stakes
  Breeders' Stakes
  The Breeders' Stakes is a Canadian stakes race for Thoroughbred race horses first run in 1889. Since 1959 it has been the third race in the Canadian Triple Crown for three-year-olds...
  
   (1923, 1930, 1933)
• Durham Cup Stakes
  Durham Cup Stakes
  The Durham Cup Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. Run in mid October, the Grade III race is open to horses age three and older. Raced over a distance of 1⅛ miles on Polytrack synthetic dirt, it currently offers a purse of...
  
   (1925)
• Clarendon Stakes
  Clarendon Stakes
  The Clarendon Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. Held in early July, the sprint race is open to two-year-old horses foaled in the Province of Ontario and is contested over a distance of five and a half furlongs on Polytrack synthetic...
  
   (1928)

The stable's final success came in 1935 when the Thorncliffe-bred filly

Filly

A filly is a young female horse too young to be called a mare. There are several specific definitions in use.*In most cases filly is a female horse under the age of four years old....

, Sally Fuller won the King's Plate

Queen's Plate

The Queen's Plate is Canada's oldest thoroughbred horse race. It is run at a distance of 1¼ miles for 3-year-old thoroughbred horses foaled in Canada. The race takes place each summer in June or July at Woodbine Racetrack, Etobicoke , Ontario...

 for Seagram Stables.