Jack Russell Terrier and Parson Russell Terrier Dog Breed The origins of the Jack Russell Terrier, also known as Parson Russell and Russell Terrier are believed to trace back to Reverend John "Jack" Russell (1795-1883), who was a parson and hunting enthusiast in England. The breed descended from the hunting terriers of the late 18th and early 19th centuries and was developed … [Read more...] about Jack Russell Terrier and Parson Russell Terrier Dog Breed