 The breed was shown for the first time in 1903 , and the Sealyham Terrier club was created in 1908 ; the breed was officially recognised by the Kennel Club in 1911 . The Sealyham Terrier now is recognised by all of the major kennel clubs in the English @-@ speaking world . During the early stages of its recognition , the breed was alternatively known as the Welsh Border Terrier , or the Cowley Terrier . The American Sealyham Terrier Club was founded in 1913 . 
