Terrier Group · Purebred · Ireland's national dog — spirited, versatile, and proudly distinctive with that blue-gray coat
Watch this video for a quick overview of the Kerry Blue Terrier — see the breed in action before diving into the details below.
The Kerry Blue Terrier is Ireland's national dog and one of the most versatile working breeds ever produced on the Emerald Isle. Originating in County Kerry in southwest Ireland, the breed was used by Irish peasants — for whom ownership of hunting dogs was legally restricted to the gentry — as a secret all-purpose working dog capable of herding cattle and sheep, hunting game, retrieving from water, and guarding the homestead. The Kerry Blue became a symbol of Irish nationalism in the early 20th century.
One of the Kerry Blue's most distinctive traits is its remarkable coat transformation: all Kerry Blue puppies are born black, and the coat gradually transitions to its characteristic blue-gray color between 18 months and 3 years of age. A medium-sized breed weighing 33–40 lbs, the Kerry has a dense, wavy, soft single coat that sheds minimally but requires regular trimming. In character, Kerry Blues are spirited, intelligent, and deeply loyal — more versatile and trainable than many terriers, but still possessing the breed's hallmark boldness and determination.
Real Kerry Blue Terriers — browse photos showcasing their look, size, and personality.
Kerry Blue Terriers are known for being adaptable to various living situations when their needs are met. They form deep bonds with their families and thrive on consistent human connection. They strike a good balance — lively enough to enjoy playtime and adventures, but calm enough to settle indoors when the day is done.
Kerry Blue Terriers can be trained with patience and consistency, though they may occasionally test boundaries. With proper socialization they can do well with children, though supervision is always wise.
Kerry Blue Terriers need regular daily exercise to maintain a healthy weight and an even temperament. They are versatile companions who enjoy active outings but are equally content to relax at home after their needs are met.
Kerry Blue Terriers have a short, low-maintenance coat that requires minimal grooming compared to longer-haired breeds. A consistent basic routine keeps them clean, comfortable, and healthy.
Kerry Blue Terriers are moderately trainable and respond well to patient, consistent positive reinforcement. They benefit from clear expectations and a calm, confident trainer who establishes routines early.
Keep sessions short — 10 to 15 minutes — and always end on a success. Enrolling in a puppy or adult obedience class provides structured learning and valuable socialization.
Kerry Blue Terriers are generally healthy for their size, though regular screening helps catch issues early. Responsible breeders screen breeding stock for the most common conditions, significantly reducing risk in puppies from health-tested parents.
A Kerry Blue Terrier fits well with families or individuals who can provide moderate daily exercise and consistent companionship. They adapt reasonably well to various living situations as long as their exercise and social needs are met. Not ideal for owners away from home for long hours without a pet care solution in place.
Approach: 3 meals daily of medium-breed puppy formula
Calories: 1–1½ cups per day total
Approach: 2 meals daily of high-quality protein
Calories: 1½–2 cups per day
Approach: 2 meals daily of senior formula
Calories: 1–1½ cups per day
$1,200–$2,500
$50–$75/month
$400–$700/year
$400–$700/year
$200–$400/year
Regular professional grooming is essential; otherwise a healthy breed with typical terrier care costs.
Kerry Blue Terriers are sometimes crossed with other breeds to create unique companions that combine the best traits of both parents. Here are some of the most popular mixes.