The Thoulouse Barb was a foundation sire of the Thoroughbred breed. Along with Curwen's Bay Barb he was given as a present to Louis XIV by the King of Morocco. They were then purchased and imported to England by Henry Curwen.He was later owned by Sir J. Parsons. The Thoulouse Barb was the leading sire in Great Britain and Ireland in 1723 and sired Bagpiper, Blacklegs, Molly and Tifter. His daughter, the Ryegate Mare, was the dam of Cinnamon. Through one of Tifter's daughters he in an ancestor of Virgil, who was leading sire in North America in 1885. Through another Tifter mare he is an ancestor of the sires Birdcatcher, who was the leading sire in Great Britain and Ireland twice, and Harkaway.
The Byerley Turk, also spelled Byerly Turk, was the earliest of three stallions that were the founders of the modern Thoroughbred horse racing bloodstock.
Eclipse was an undefeated 18th-century British Thoroughbred racehorse who won 18 races, including 11 King's Plates. After retiring from racing he became a very successful sire and today appears in the pedigree of most modern Thoroughbreds.
Precipitation was an influential British bred Thoroughbred stallion who is found in the pedigrees of many racehorses and sport horses today. He alone is responsible for maintaining the Matchem sireline, through Sheshoon, except for the American Fair Play branch.
Bend Or (1877–1903) was a British Thoroughbred racehorse who won the 1880 Epsom Derby. His regular jockey Fred Archer, winner of thirteen consecutive British jockey titles, said Bend Or was probably the greatest horse he had ever ridden.
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. Thoroughbreds are considered "hot-blooded" horses that are known for their agility, speed, and spirit.
Parth was a British-trained Thoroughbred racehorse best known for winning the 1923 Prix de l'Arc de Triomphe.
Solario (1922–1945) was a successful British Thoroughbred racehorse and influential sire.
Swynford was a British Thoroughbred racehorse. Bred at the 16th Lord Derby's stud in Lincolnshire, England he was sired by John O'Gaunt, a son of Isinglass, winner of the British Triple Crown in 1893. His dam was Lord Derby's foundation mare and 1896 Epsom Oaks winner Canterbury Pilgrim who also produced Chaucer, the 1927 and 1933 Leading broodmare sire in Great Britain & Ireland.
Didelot was a British Thoroughbred racehorse and sire. In a career that lasted from March 1796 to October 1798 he ran ten times and won two races. In 1796 he won a race at Newmarket and then defeated ten opponents, including his more fancied stable companion to win The Derby. His subsequent form was disappointing, as he failed to win in his remaining seven races. At the end of his racing career he was exported to stand at stud in Russia.
Noble was a British Thoroughbred racehorse and sire. In a career that lasted from May 1786 to May 1788 he ran at least three times and won two races. He won the seventh running of The Derby as a 30/1 outsider in what was probably his first race. His only other success came at Newmarket later that year. He was retired to stud where he stood as a stallion for several years but made little impact as a sire of winners.
Alcock's Arabian, also known as Pelham Grey Arabian and less certainly as Bloody Buttocks and Ancaster Turk, among other names, is the ancestor of all grey-coloured Thoroughbred horses, as well as grey sport and riding horses descended from Thoroughbred lines.
Sun Stream was a British Thoroughbred racehorse and broodmare, best known for winning two Classics in 1945. The filly won five times from seven races in a track career which lasted from spring 1944 until June 1945. As a two-year-old in 1944 she won three races including the Queen Mary Stakes. After being beaten on her three-year-old debut she won the 1000 Guineas over one mile at Newmarket and a substitute Oaks over one and a half miles at the same course a month later. After her second classic win she was retired to stud, where her record as a broodmare was disappointing.
Cobweb (1821–1848) was an undefeated British Thoroughbred racehorse and who won two British Classic Races as a three-year-old and went on to become a highly successful broodmare. Cobweb's racing career consisted of three competitive races in the early part of 1824. After winning on her debut she claimed a second prize when her opponents were withdrawn by their owners. She then won the 1000 Guineas at Newmarket Racecourse and the Oaks Stakes at Epsom Downs Racecourse before being retired to stud.
Bloody Buttocks was a British Thoroughbred sire who was the leading sire in Great Britain and Ireland in 1739. He was owned by Mr. Crofts.
The Alexander mare was an unnamed British Thoroughbred broodmare. She never raced, but at stud she foaled Castrel, Selim, Bronze and Rubens. Both Selim and Rubens became Champion sire in Britain.
The Rubens mare was an unnamed British Thoroughbred racehorse. In her only race she finished second in The Oaks in 1822. Later she became a top broodmare, foaling Ascot Gold Cup winner Camarine, 1000 Guineas winners May-day and Firebrand and Epsom Derby winner Phosphorus.
Nike was a British Thoroughbred racehorse. She won three of her five starts, including the Oaks Stakes in 1797. She was owned Richard Grosvenor, 1st Earl Grosvenor, and later became a broodmare, with three of her foals placing in Classic races.
Pope Joan was a British Thoroughbred racehorse. She won four of her eight starts before being retired to stud, where she became a successful broodmare. She foaled 1000 Guineas winner Tontine, 2000 Guineas winner Turcoman and Epsom Oaks winner Turquoise. Pope Joan was bred by Augustus FitzRoy, 3rd Duke of Grafton and after his death was owned by his son George FitzRoy, 4th Duke of Grafton.
Hycilla was a British Thoroughbred racehorse and broodmare, who raced during World War II and was best known for winning the classic Oaks Stakes in 1944. Unraced as a juvenile, she finished second on her three-year-old debut before winning the Oaks, which was run that year at Newmarket Racecourse. She was beaten when favourite for the St Leger but ended her year with a win in the Champion Stakes. In the following year she failed to win but ran well in defeat when third in a strongly-contested Coronation Cup. She was retired to become a broodmare in the United States but made little impact, producing four minor stakes winners.
Squirt was a Thoroughbred racehorse, best known as the grandsire of Eclipse, founder of the breed's dominant sire line. He lived at a time when the Thoroughbred breed was in its infancy, before even the foundation of the Jockey Club and General Stud Book. Thus information is incomplete.