Sealyham Terrier Puppies for sale in Blossvale, New York

The Sealyham Terrier, also known as the Welsh Border Terrier, Cowley Terrier, or simply Sealy, is a sturdy working dog turned celebrity favorite. Once beloved by British royalty and Hollywood stars, this affectionate and alert breed makes a loyal family companion suited for both town and country life. Despite their small size, Sealyhams are courageous and excellent watchdogs with a charmingly independent streak.

Developed in the late 19th century by Captain John Edwardes at Sealyham House in Wales, the Sealyham Terrier was originally bred for pest control and hunting small game. The breed gained recognition in the early 20th century after appearing in dog shows and soared in popularity following World War I, when it became a favorite among the elite. Compact and strong, Sealyhams stand under one foot tall and have a distinct double coat that’s always white, sometimes accented with lemon, black, brown, blue, or badger markings. Their expressive face and characteristic beard give them a dignified, unmistakable appearance.

Sealyham Terriers are affectionate, intelligent, and confident. They enjoy human companionship but can handle being alone during the workday. While friendly, they retain the typical terrier stubbornness, requiring firm yet gentle training. Healthwise, Sealyhams are relatively robust but may be prone to genetic eye disorders such as lens luxation and should be monitored for obesity. Their long, non-shedding coat requires regular grooming — including daily combing of the beard, weekly brushing to the skin, and monthly baths. Less energetic than most terriers, they enjoy daily walks or short play sessions but should avoid heat due to their dense coat. As a low-shedding and hypoallergenic breed, the Sealyham Terrier is an ideal choice for allergy sufferers. Learn more about the Sealyham Terrier.