The roots of the Parson Russell Terrier can be traced back to England in the early 1800s, where Reverend John Russell, an avid fox hunter, sought to develop a terrier that could keep up with Foxhounds and drive foxes from their dens without harming them. This breeding initiative commenced with a remarkable terrier named 'Trump,' acquired around 1818 in Oxford, laying the groundwork for the Parson Russell Terrier lineage. The initial dogs were descendants of 'foxing terriers' from the 18th century, although formal records only began in 1862. Early breeding objectives prioritized producing terriers with balanced conformation: sturdy bones, moderate legs, and a spirited temperament, capable of working effectively alongside hunters. Reverend Russell's breeding program emphasized agility, stamina, and a sharp hunting instinct without excessive aggression, distinguishing the breed from other terriers of the time. In 1875, the Fox Terrier Club was established with Russell as a founding member, setting breed standards aimed at preserving his vision. While the Fox Terrier evolved nationally, some older types persisted in remote British regions, forming the genetic base for the Parson Russell Terrier. After Russell's death, the Parson Jack Russell Terrier Club was established, gaining official Kennel Club recognition in 1990 as a variant of the Fox Terrier, and the breed was renamed the Parson Russell Terrier in 1999. Since its recognition, the Parson Russell Terrier has gained popularity both as a working dog and companion, valued for its exuberant temperament, intelligence, and versatility. The breed club continues to monitor and support health and temperament standards, ensuring the Parson Russell retains its characteristic traits and functional abilities. Its hunting heritage remains evident, but it also excels in canine sports such as agility and therapy work, with the breed ranking steadily among popular UK terriers today.