Cleveland Bay Horse Society Centenary Stud Book (1884 - 1984) - Volume XXIX - Stallions Nos. 2128 - 2181; Mares Nos/ 1882 - 1933; GR Mares Nos. GR162 - GR171 and an Index to This and All Previous Volumes of the Cleveland Bay Stud Book

The Cleveland Bay is a breed of horse that originated in England during the 17th century, named after its coloring and the Cleveland district of Yorkshire. It is a well-muscled horse, with legs that are strong but short in relation to the body. The horses are always bay in color, although a few light hairs in the mane and tail are characteristic of some breed lines. It is the oldest established horse breed in England, and the only non-draught horse developed in Great Britain. The ancestors of the breed were developed during the Middle Ages for use as pack horses, when they gained their nickname of 'Chapman Horses.' These pack horses were crossbred with Andalusian and Barb blood, and later with Arabians and Thoroughbreds, to create the Cleveland Bay of today. Over the years, the breed became lighter in frame as they were employed more as carriage and riding horses. The popularity of the Cleveland Bay has greatly fluctuated since it was first imported to the United States in the early 19th century. Despite serious declines in the population after Second World War, the breed has experienced a resurgence in popularity since the 1970s, although only around 550 horses existed worldwide as of 2006.