What's the name of this terrier breed?

The Kerry Blue Terrier (also known as the Irish Blue Terrier) is a breed of dog originally bred to control "vermin" including rats, rabbits, badgers, foxes, otters and hares, over time the Kerry became a general working dog used for a variety of jobs including herding cattle and sheep, and as a guard dog. Today the Kerry has spread around the world as a companion and working dog.