10 Surprising Facts About Kerry Blue Terriers: Ireland’s Blue Gem

Matt Matasci Matt Matasci · Updated August 5, 2025

Kerry Blue Terriers are a unique breed with a look and personality that set them apart from other dogs. These Irish terriers often catch people’s attention with their striking blue-gray coats and lively attitudes.

If you enjoy learning about uncommon dog breeds, you will discover several interesting things about Kerry Blue Terriers that you might not know. Whether you’re a dog lover or just curious about animals, these facts can help you understand this remarkable breed a little better.

1. Kerry Blue Terriers originated in County Kerry, Ireland.

  • Kerry Blue Terriers were first developed in County Kerry, a region in southwestern Ireland. The breed’s name reflects both its Irish roots and the unique blue-gray color of its coat.
  • You can trace the history of the Kerry Blue Terrier back several centuries. Farmers in County Kerry originally bred these dogs to help with common tasks on their land. They were valued for their ability to control vermin like rats and rabbits.
  • As their reputation grew, Kerry Blue Terriers became known for being versatile working dogs. They helped with herding sheep and cattle, as well as guarding the farm. Their origin in County Kerry is an important part of the breed’s identity and history. You can learn more about their background and how the region shaped the breed at several sources, including this history of the Kerry Blue Terrier.

A Kerry Blue Terrier dog standing in a green meadow with hills and trees in the background.

2. Their unique blue-gray coat changes color as they age.

  • Kerry Blue Terriers are known for their signature blue-gray coats, but these dogs are not born with this color. When Kerry Blue Terrier puppies come into the world, they usually have solid black coats.
  • Their coat starts to change color as they grow. This process is gradual and can take up to 18 months. Over time, the black fur fades and develops into various shades of blue-gray.
  • The range of coat colors can vary from deep slate to light blue-grey. Genetics plays a big role in how light or dark your Kerry Blue Terrier’s adult coat will be.
  • Seeing this transformation is one of the unique aspects of owning this breed. If you’re interested, you can find even more details about their changing appearance at Not A Bully and Animal Answers.
  • No matter what shade they end up with, Kerry Blue Terriers’ soft, wavy fur makes them stand out among other breeds.

3. They were bred for hunting small game and controlling rodents.

  • You might be surprised to learn that Kerry Blue Terriers were originally bred to be versatile working dogs. Their main jobs included hunting small game and keeping rodent populations down. Farmers relied on them to protect crops, livestock, and food stores from pests.
  • Kerry Blue Terriers are quick and brave, which made them effective at chasing and catching animals like rats, rabbits, and even badgers. Their strong jaws and sharp senses helped them find and control pests on farms and in homes.
  • This breed’s instinct to hunt and control vermin is deeply rooted in their history. They were prized in Ireland for being able to handle a variety of tasks, not just hunting, but also helping out with general farm work. Their legacy as rat catchers and small game hunters is still recognized today.

4. The breed has a distinctive curly coat and soft, wavy texture.

When you look at a Kerry Blue Terrier, one of the first things you’ll notice is its unique coat. The fur is soft, dense, and has a wavy or curly texture. This sets the breed apart from other terriers that often have wiry or double coats.

The coat of a Kerry Blue Terrier grows continuously, much like human hair. Because of this, you need to trim and groom your dog regularly to keep the fur in good shape and prevent matting. The texture and growth pattern make daily or frequent brushing important.

Their coat is not only curly but also described as blue-gray or “bluey” in color. This shade is a key feature and develops as the dog gets older. Puppies are born black and their fur lightens to the signature blue-gray as they mature.

Unlike many other breeds, Kerry Blue Terriers shed very little hair. This lower level of shedding can be helpful if you want to keep your home cleaner. But it also means your Kerry Blue Terrier will rely on you for regular grooming and coat care.

These traits make the Kerry Blue Terrier’s coat both eye-catching and high maintenance. If you want a dog with a standout look, this breed’s coat delivers. For more about the Kerry Blue Terrier’s coat, you can read details on its distinct wavy texture and why it stands out among terriers.

5. Kerry Blue Terriers were the first dogs registered by the Irish Kennel Club.

When the Irish Kennel Club was first formed in the early 1920s, the Kerry Blue Terrier became its very first recognized breed. This made the breed important to the history of dogs in Ireland.

You might be surprised to learn that the Kerry Blue Terrier was shown in Ireland before the club existed. The first official dog show with Kerry Blue Terriers was in 1913. The breed’s name was first used at a show in 1916 in County Kerry.

By 1922, when the Irish Kennel Club started, Kerry Blue Terriers were officially registered as the first breed. This made them special among Irish dogs. The breed quickly became a national symbol for many dog lovers in Ireland.

If you own a Kerry Blue Terrier, you share a bond with a breed that holds a unique place in Irish canine history. Their story shows how deeply connected they are to their home country.

6. They are known for their high energy and spirited personality.

  • Kerry Blue Terriers are full of energy. They love to play, explore, and stay active. If you enjoy outdoor activities or want a lively companion, this breed can keep up with you.
  • You will notice that they are spirited and confident in most situations. Their enthusiasm shows in everything they do, from going on walks to playing games at home. These dogs often have a curious nature and like to be part of what is happening around them.
  • Because of their high energy, Kerry Blue Terriers need regular exercise. Daily walks, playtime, and mental challenges are important. If they do not get enough activity, they may become bored or restless.
  • This breed’s lively nature comes with intelligence too. Training and socialization are important to guide their energy in a positive way. For more details about their personality, you can read about the Kerry Blue Terrier’s temperament.

7. Despite winning Crufts in 2000, they remain relatively uncommon.

  • Kerry Blue Terriers had a major achievement when one of them won Crufts, the top dog show in the United Kingdom, in 2000. Many people thought this would make the breed more popular.
  • Even after their victory at Crufts, you will not see many Kerry Blue Terriers compared to other breeds. They are considered an uncommon breed in most areas.
  • While they are not as rare as some terrier breeds like the Skye Terrier or the Sealyham Terrier, Kerry Blues do not have a large population. They remain an “unfashionable” choice for many dog owners even today.
  • If you want a dog that stands out and is not seen every day, this breed may be a good fit. The Kerry Blue Terrier is unique, but you might need to search carefully to find a reputable breeder or rescue that has one available.

8. They have a dense, waterproof coat that requires regular grooming.

  • Kerry Blue Terriers have a thick, wavy coat that is known to be waterproof. This special coat helps to protect them from rain and cold weather.
  • The hair is also considered hypoallergenic and sheds very little. This makes them a possible choice for people with dog allergies.
  • To keep the coat healthy, you need to brush it several times a week. This prevents matting and keeps the fur smooth.
  • Their hair grows continuously, so professional grooming is important every few months. Without regular trims, their coat can become tangled and uncomfortable for the dog.
  • The unique texture and look of their fur is one of the things that sets them apart from other breeds. Regular grooming also helps keep their skin healthy and clean.

A Kerry Blue Terrier dog with a curly, wavy coat sitting on green grass outdoors.

9. Kerry Blue Terriers can be wary of strangers but are loyal to family.

  • Kerry Blue Terriers are known for being very attached to their families. If you have one, you will quickly see how devoted and loving they can be with the people they know best.
  • When meeting new people, these dogs often act cautious or reserved. It is common for a Kerry Blue Terrier to take time to warm up to strangers before becoming friendly.
  • This watchful nature comes from their background as working and guarding dogs. Their strong loyalty means they often want to protect their home and loved ones.
  • With proper socialization and training, your Kerry Blue Terrier can learn how to greet new people politely. Still, you should expect them to show the most affection to the people they see every day.
  • Kerry Blue Terriers are recognized for their family loyalty but may remain guarded around unfamiliar faces, a trait noted by many owners and breed experts.

10. They possess strong herding instincts from their working dog heritage.

  • Kerry Blue Terriers are known for their sharp minds and quick decision-making. These dogs were bred in Ireland for herding and farm work, which helped shape their behavior and skills.
  • You will often notice that your Kerry Blue tries to direct the movement of animals or even people in the home. This behavior is tied to their natural herding instincts, a trait shared by many dogs with a working background.
  • If you live on a farm or have other pets, their instincts may become even more obvious. Kerry Blues will likely try to organize or control the group, just like they would with livestock.
  • Their strong herding drive means they can excel in dog sports and activities that challenge their intelligence. With the right training, you can channel these instincts into positive behavior and tasks.
  • Other breeds with a working and herding past show similar habits, such as strategic movement, focus, and bursts of energy, as seen in herding dog breeds. This heritage makes Kerry Blue Terriers both smart and hardworking companions.