Jack Russell, English priest, hunter, and dog breeder (d. 1883)
John "Jack" Russell (21 December 1795 – 28 April 1883), known as "The Sporting Parson", vicar of Swimbridge and rector of Black Torrington in North Devon, was an enthusiastic fox-hunter and dog breeder, who developed the Jack Russell Terrier, a variety of the Fox Terrier breed.