The Rare Irish Breed Every Prospective Owner Know
Discover the Kerry Blue Terrier — a rare Irish breed with a color-changing coat, spirited temperament, and unique care needs.
If you've never heard of the Kerry Blue Terrier, you're not alone. Ranked 136th out of 200 breeds on the AKC's popularity list, this striking Irish terrier remains one of the best-kept secrets in the dog world. With a coat that shifts from black to blue-grey over the first two years of life and a personality that balances terrier fire with genuine devotion, the Kerry Blue is a breed that rewards thorough research before commitment.
This guide covers everything prospective owners need to know — from the breed's working-dog roots in rural Ireland to the specific grooming, training, and health considerations that set it apart from more common terrier breeds.
Breed at a Glance: Kerry Blue Terrier Quick Facts
| Weight (Male) | 33–40 lb / 15–18 kg |
|---|---|
| Weight (Female) | 28–35 lb / 13–16 kg |
| Height (Male) | 18–19.5 in / 46–50 cm |
| Height (Female) | 17.5–19 in / 44–48 cm |
| Lifespan | 12–15 years |
| Coat | Soft, wavy, non-shedding; color transitions from black to blue-grey |
| Energy Level | High — 60–90 minutes of structured activity daily |
| Grooming | High — brushing 3–4×/week, professional clip every 6–8 weeks |
| AKC Group | Terrier Group (recognized 1922) |
| Family Fit | Best with experienced owners; good with children if socialized early; can be dog-selective |
Origins in County Kerry: A Working Terrier Forged by Irish Farmers
Late 1700s–1800s: Irish farmers in County Kerry developed a versatile working terrier capable of hunting rats, otters, and badgers while also herding sheep and cattle. The breed's exact ancestry is debated, but it is believed to include the Irish Wolfhound, the Soft Coated Wheaten Terrier, and possibly the Bedlington Terrier — though no written pedigrees survive from this era.
1800s: The Kerry Blue became known locally as the "Irish Blue Terrier." Folklore — reported but unverified — claims the breed descended from dogs that swam ashore from a shipwreck off the coast of Tralee Bay and were crossed with local terriers.
1922: The American Kennel Club officially recognized the Kerry Blue Terrier in the Terrier Group.
1920s–1940s: The breed enjoyed a surge of popularity in the United States, particularly in show rings. The Kerry Blue Terrier Club of America was founded in 1926.
Post-WWII to present: Numbers declined significantly. Today, the Kerry Blue remains a rare breed, with an estimated 1,000–1,500 registered annually in the U.S. and fewer still in Ireland and the UK.
The FCI (Fédération Cynologique Internationale) recognizes the breed under Standard No. 3, and the United Kennel Club lists it as well. In Ireland, the Kerry Blue was once considered a national symbol — Irish nationalists favored the breed in the early 20th century as a counterpoint to British-associated breeds.
What Makes the Kerry Blue Terrier Physically Distinctive
The Kerry Blue's most remarkable feature is its coat transformation. Puppies are born jet black, and the coat gradually "clears" to a blue-grey shade — a process called "clearing" that typically completes between 18 and 24 months of age. Some dogs retain darker shading on the points (legs, muzzle, ears).
Key physical measurements and traits:
- Coat texture: Soft, dense, and wavy — not wiry like most terriers. The coat is single-layered (no undercoat), which reduces shedding but requires consistent maintenance to prevent matting.
- Head: Long and moderately narrow with a slight stop; dark, small eyes with a keen expression.
- Ears: Small, V-shaped, folded forward — traditionally the ears are trained to fold properly during puppyhood using non-invasive taping methods recommended by breeders.
- Tail: Moderately long, carried upright. Historically docked in the U.S. (now increasingly left natural as docking bans expand).
- Build: Compact and muscular, slightly longer than tall. Movement is free and ground-covering, reflecting the breed's working heritage.
Unlike the Airedale Terrier's harsh, wiry coat or the Wheaten Terrier's silky, flowing hair, the Kerry Blue's coat sits in a unique middle ground — soft enough to be pleasant to touch, but dense enough to require serious grooming commitment.
Temperament: What Surprises New Kerry Blue Owners
The Kerry Blue Terrier is not a lap dog that happens to be terrier-sized. New owners are often surprised by three things:
1. Dog-selective social behavior. Kerry Blues were bred to work independently, and many retain a strong preference for being the only dog in the household. Same-sex aggression, particularly between males, is well-documented in the breed. This doesn't mean they can't coexist with other dogs — early socialization and careful introductions help — but prospective owners with multi-dog households should plan carefully.
2. High problem-solving intelligence. These dogs learn commands quickly but also learn how to circumvent rules just as fast. A Kerry Blue that's bored will entertain itself — usually by opening cabinets, digging through landscaping, or finding creative escape routes from yards. Mental stimulation (puzzle feeders, scent work, agility) is as critical as physical exercise.
3. Loyalty that borders on velcro behavior. Despite their independent streak, Kerry Blues form intensely close bonds with their primary person. They tend to follow their owner from room to room and can develop separation anxiety if left alone for extended periods without gradual conditioning.
With children, well-socialized Kerry Blues are generally playful and tolerant, but their terrier reflexes mean they may react sharply to ear-pulling or tail-grabbing. They're best matched with families where children are old enough (typically 8+) to understand respectful dog interaction.
Care Requirements: Grooming, Exercise, and Daily Life
Grooming
- Brushing: 3–4 times per week with a slicker brush and metal comb. Focus on behind the ears, the chest, and the leg furnishings where mats form first.
- Professional grooming: Every 6–8 weeks. The breed is traditionally hand-stripped or clippered in a specific terrier trim. Expect to pay $65–$120 per session depending on your region and groomer experience with the breed.
- Bathing: Every 2–4 weeks using a mild, dog-specific shampoo. Over-bathing can strip the coat's natural oils and cause dryness.
- Ear care: Weekly checks and cleaning with a vet-approved ear solution. The folded ear traps moisture and debris, raising infection risk.
- Beard maintenance: The Kerry Blue's characteristic beard collects food and water. Rinse and pat dry daily to prevent staining and bacterial growth.
Exercise
- Daily minimum: 60–90 minutes of structured activity. This should include leash walks (minimum 2 miles/day), off-leash play in a secure area, and at least one mentally stimulating activity.
- Ideal activities: Agility, earthdog trials, barn hunt, rally obedience, and structured fetch sessions. Kerry Blues excel in dog sports and thrive with a job.
- Caution: High prey drive means off-leash time should only occur in fully fenced areas. A Kerry Blue that spots a squirrel will run — recall training helps but is never 100% reliable in high-distraction environments.
Nutrition
- Adult feeding: 1.5–2.5 cups of high-quality kibble daily (split into two meals), adjusted for activity level and body condition score (BCS). Look for AAFCO complete-and-balanced statements with a named protein source listed first.
- Caloric needs: Approximately 800–1,100 kcal/day for a 33–40 lb active adult. Adjust downward for less active dogs.
- Supplements: Omega-3 fatty acids (fish oil) support coat health. Joint supplements (glucosamine/chondroitin) may be beneficial starting at age 5–6, but consult your veterinarian before adding any supplement.
Health Concerns: Breed-Specific Conditions to Monitor
While the Kerry Blue Terrier is generally a robust breed with a good lifespan, several genetic and breed-associated conditions deserve attention. Responsible breeders screen for these through the Orthopedic Foundation for Animals (OFA) and other registries.
| Condition | Prevalence | What to Watch For | Screening/Management |
|---|---|---|---|
| Hip Dysplasia | ~8–12% based on OFA data | Hind-limb lameness, difficulty rising, bunny-hopping gait | OFA/PennHIP radiographs; weight management; surgical options for severe cases |
| Keratoconjunctivitis Sicca (Dry Eye) | Reported in breed; exact prevalence unknown | Red, irritated eyes; thick discharge; frequent blinking | Schirmer tear test at annual vet visits; lifelong cyclosporine or tacrolimus drops |
| Cerebellar Abiotrophy (Neonatal) | Rare; recessive genetic condition | Uncoordinated movement in puppies aged 3–8 weeks; wide-based stance, tremors | DNA test available; affected puppies are typically euthanized on welfare grounds — responsible breeders test parents |
| Hypothyroidism | Moderate breed predisposition | Weight gain, lethargy, coat thinning, cold intolerance | Annual thyroid panel (T4, free T4, TSH); managed with levothyroxine |
| Cryptorchidism | Higher than breed average | One or both testicles undescended by 6 months | Surgical removal recommended to prevent testicular cancer risk |
| Cataracts | Occasional reports | Cloudy lens, vision changes, bumping into objects | Annual CERF/OFA eye exams; surgical removal if vision-impairing |
- Sudden lameness or reluctance to jump/climb stairs
- Persistent eye redness, discharge, or squinting
- Unexplained weight gain with coat changes
- Neurological signs in puppies: tremors, falling, inability to coordinate legs
Always consult your veterinarian for diagnosis and treatment plans. This guide is informational and does not replace professional veterinary care.
Kerry Blue Terrier vs. Similar Breeds: A Comparison
If you're drawn to the Kerry Blue but aren't sure it's the right fit, comparing it to related breeds can clarify your decision.
| Trait | Kerry Blue Terrier | Soft Coated Wheaten Terrier | Airedale Terrier |
|---|---|---|---|
| Size | 33–40 lb / medium | 30–40 lb / medium | 50–70 lb / large |
| Coat Type | Soft, wavy, non-shedding | Silky, slightly wavy, low-shedding | Wiry, double coat, low-shedding |
| Color | Blue-grey (transitions from black) | Wheaten (pale beige to golden) | Black and tan |
| Dog Tolerance | Low to moderate — often dog-selective | Moderate — generally more sociable | Moderate — can be same-sex aggressive |
| Trainability | High intelligence, moderate biddability | High intelligence, moderate biddability | High intelligence, slightly higher biddability |
| Exercise Needs | 60–90 min/day | 45–60 min/day | 60–90 min/day |
| Grooming Cost (Annual) | $520–$960 | $480–$840 | $520–$960 |
| AKC Popularity Rank | ~136th | ~63rd | ~60th |
| First-Time Owner Fit | Challenging — best with experience | Moderate — more forgiving | Challenging — large and strong-willed |
The Kerry Blue sits in a unique niche: it has the Wheaten's soft coat and medium size but with more terrier intensity and independence. Compared to the Airedale, it's more manageable in size but equally demanding in exercise and mental stimulation.
Finding a Kerry Blue Terrier: Availability, Cost, and Breeder Guidance
The Kerry Blue Terrier's rarity means you won't find one at a local shelter on a whim. Most prospective owners join breed-specific waiting lists that can stretch 12–24 months.
Puppy cost: Expect to pay $1,800–$3,500 for a Kerry Blue puppy from a responsible breeder in the U.S. Show-quality puppies from champion lines may reach $4,000+. Prices reflect the breed's small gene pool and the health testing responsible breeders perform.
First-year total cost estimate:
- Purchase price: $1,800–$3,500
- Initial veterinary (vaccines, spay/neuter, microchip): $600–$1,200
- Grooming (first year, starting at ~6 months): $300–$600
- Supplies (crate, leash, bowls, bed, toys): $300–$500
- Food: $400–$600
- Training classes: $200–$500
- Estimated first-year total: $3,600–$6,900
Where to look:
- Kerry Blue Terrier Club of America (KBTCA): The official breed club maintains a breeder referral list and rescue network. Start here.
- AKC Marketplace: Filter by Kerry Blue Terrier and verify breeder health testing claims through OFA database searches.
- Breed rescue: The KBTCA rescue coordinator occasionally has adult dogs available. Adoption fees typically range $300–$600.
Breeder red flags — walk away if:
- No OFA or PennHIP hip certifications for both parents
- No CERF/OFA eye exams on record
- Breeder cannot explain neonatal cerebellar abiotrophy or doesn't DNA test
- Puppies are available immediately with no questions asked
- No take-back clause in the contract
- Multiple litters always available (suggests commercial-scale breeding)
Frequently Asked Questions
Is the Kerry Blue Terrier hypoallergenic?
No dog is truly hypoallergenic, but the Kerry Blue's single-layer, low-shedding coat produces less airborne dander than many breeds. People with mild dog allergies often tolerate Kerry Blues well, but spend time with the breed before committing — individual reactions vary.
How rare is the Kerry Blue Terrier today?
The breed is genuinely uncommon. The AKC registers approximately 1,000–1,500 Kerry Blues annually in the United States. In Ireland, the native population is even smaller. You may need to travel or join a waiting list to acquire a puppy.
Is the Kerry Blue Terrier suitable for first-time dog owners?
Generally, no. The combination of high intelligence, dog-selective tendencies, grooming demands, and terrier independence makes this breed better suited to owners with prior terrier or working-dog experience. A motivated first-time owner who invests heavily in puppy classes and socialization can succeed, but the margin for error is smaller than with more forgiving breeds.
Do Kerry Blue Terriers bark a lot?
They are moderate barkers — more vocal than a Greyhound but less persistent than a Miniature Schnauzer. They will alert-bark at doorbells and passersby. Consistent training using positive reinforcement methods (rewarding quiet behavior, redirecting attention) can manage excessive barking. Never use shock collars or punishment-based bark control, which can increase anxiety and worsen the behavior.
Can Kerry Blue Terriers live with cats?
Some can, especially if raised with cats from puppyhood. However, the breed's strong prey drive means introductions should be gradual and always supervised. Many Kerry Blues will chase outdoor cats regardless of indoor tolerance — secure fencing and leash management are essential.
What is the Kerry Blue Terrier's life expectancy?
Most Kerry Blues live 12–15 years, with some reaching 16 or 17. Maintaining a lean body condition score (BCS of 4–5 on a 9-point scale), regular veterinary checkups, and consistent exercise are the most impactful factors for longevity.
Is the Kerry Blue Terrier the Right Breed for You?
The Kerry Blue Terrier is a rewarding companion for the right owner — someone who appreciates a clever, spirited dog and has the time, patience, and grooming budget to meet its needs. It is not a low-maintenance breed, and its rarity means fewer resources, fewer local breed mentors, and longer waits for puppies compared to mainstream breeds.
If the Kerry Blue's temperament and care requirements align with your lifestyle, start by contacting the Kerry Blue Terrier Club of America through the AKC. Attend a breed meet-up if possible, talk to current owners, and prepare for a waiting list. The right Kerry Blue is worth the wait — but only if you go in with realistic expectations about what this remarkable Irish terrier demands in return.
Tom Renshaw
All our authors care for dogs every day — read more of their work on the authors page.


