Red Devil

Irish Terrier

Quick Facts

🐕 Breed Group
Terrier Group
📏 Size Category
Medium
📏 Height
Males: 18 inches, Females: 18 inches
⚖️ Weight
Males: 27 lbs, Females: 25 lbs
⏱️ Life Expectancy
13-15 years
🧣 Coat Type
Wiry, dense, close-lying double coat
🎨 Coat Colors
Bright red, golden red, red wheaten
😀 Temperament
Bold, loyal, spirited, intelligent, protective
🏃 Exercise Needs
High
🎓 Training Difficulty
Moderate
👶 Good with Children
Yes, with supervision for young children
🐾 Good with Other Pets
Challenging with other dogs, high prey drive

Other Names & Breed Recognition

The Red Devil is the Irish Terrier's most famous nickname, and it tells you everything you need to know about the spirit inside this fiery-coated dog. The name was not bestowed lightly or casually. It was earned in the trenches of World War One, where Irish Terriers served as messenger dogs under conditions that would break most animals and many humans. They ran through artillery fire, carried communications between positions, and stood sentinel over fallen soldiers with a fearlessness that astonished the men who worked alongside them. Soldiers began calling them Red Devils for the combination of their red coats and their utterly reckless courage, and the name stuck long after the guns fell silent.

The formal breed name is Irish Terrier, and it is recognized under that title by the American Kennel Club, the United Kennel Club, The Kennel Club in the United Kingdom, the Canadian Kennel Club, and the Federation Cynologique Internationale. The breed was among the first terriers to receive official Kennel Club recognition in the late 19th century, with the Irish Terrier Club established in Dublin in 1879. By the 1880s, the breed had become the fourth most popular in England, a remarkable achievement for a dog that had started as a common farmer's companion in the Cork area of southern Ireland.

Other nicknames for the breed include Daredevil, Red Daredevil, and the Irish Red Terrier, which was an earlier formal name used to distinguish it from other Irish terrier breeds. The breed has also been called the poor man's sentinel, the farmer's friend, and the gentleman's favorite, descriptions that capture its appeal across all levels of Irish society. Author Jack London immortalized the breed's character in his novel Jerry of the Islands, and the Irish Terrier Club of America, founded in 1896, continues to promote the breed in the United States. In AKC and UKC registries, the breed sits in the Terrier Group, and the FCI classifies it in Group 3, Section 1, among large and medium-sized terriers. Whether you call it an Irish Terrier, a Red Devil, or a Daredevil, you are talking about the same bold, loyal, flame-colored terrier that has been winning hearts and picking fights since the 17th century.

Red Devil Organizations & Standards

The Irish Terrier Club of America has served as the AKC parent club since its founding in 1896, making it one of the older breed clubs in the American terrier world. The ITCA maintains the breed standard, promotes responsible breeding practices, and serves as a resource for owners and prospective buyers seeking information about the Red Devil's unique requirements and characteristics. The club's commitment to the breed extends beyond conformation, encompassing working ability, health research, and the preservation of the temperament qualities that define the Irish Terrier.

The AKC breed standard describes the Irish Terrier as an active, lively, game dog with a graceful, racy outline. Males and females stand approximately 18 inches at the shoulder and weigh 25 to 27 pounds, placing the breed at the larger end of the terrier spectrum. The standard emphasizes a balanced, athletic build that is neither cobby nor overly refined, with enough substance for strength and enough leg for speed. The coat is dense, wiry, and lies close to the body, presenting a neat, clean outline when properly groomed. Color is limited to solid shades ranging from bright red to golden red to red wheaten, and a small white patch on the chest is permissible but not preferred. The breed's expression should convey intelligence, determination, and fire.

The Kennel Club in the United Kingdom, where the breed was first formally recognized, classifies the Irish Terrier in its Terrier Group. The FCI places the breed in Group 3, Section 1, among large and medium-sized terriers. The UKC and CKC also recognize the breed in their respective terrier categories. Across all registries, the breed standard emphasizes the same core qualities: a racy, well-proportioned terrier with a fiery coat, a wiry texture, and an expression that leaves no doubt about the personality within.

The Irish Terrier does not currently participate in the OFA CHIC program, which means there is no formal centralized health testing protocol mandated by the parent club through OFA. However, responsible breeders screen for the breed's known health concerns, particularly hereditary footpad hyperkeratosis, for which a DNA test is available, and cystinuria, which can be monitored through urinalysis. The ITCA has conducted health surveys that identified hypothyroidism and cataracts as conditions warranting attention in the breed, and breeders are encouraged to screen for these as well. Hip evaluation, while less critical in a breed this size, is still recommended by conscientious breeders who want comprehensive health documentation.

Kennel Club Recognition

  • American Kennel Club (AKC): Recognized in 1885, Terrier Group
  • United Kennel Club (UKC): Recognized, Terrier
  • Canadian Kennel Club (CKC): Recognized, Terriers
  • FCI: Recognized, Group 3: Terriers
  • The Kennel Club (UK): Recognized, Terrier

Red Devil Physical Description

The Red Devil cuts a distinctive figure among terriers, standing taller and rangier than most of its cousins while maintaining the compact muscularity that defines the group. At approximately 18 inches and 25 to 27 pounds, the Irish Terrier occupies a middle ground between the smaller terriers bred for going to ground and the larger breeds designed for more generalized work. The overall impression is of an athlete in a wiry red coat, a dog built for speed, endurance, and agility rather than brute power.

The head is long and lean, flat between the ears without being excessively narrow. The skull tapers slightly toward the eyes, and the cheeks are clean without prominent musculature. The stop is barely perceptible, giving the head a smooth, refined profile that distinguishes the Irish Terrier from blockier terrier breeds. The jaws are strong and muscular, long enough to provide real gripping power, and the teeth meet in a tight scissors bite. The nose is black. The eyes are small, dark, and full of fire, set without prominence and conveying an expression of intense intelligence and determination that perfectly matches the Red Devil nickname.

The ears are small and V-shaped, set well above the level of the skull and dropping forward close to the cheek. They are moderately thick and of a slightly darker shade than the body coat. Properly set ears contribute significantly to the breed's characteristic alert, keen expression. The neck is of fair length and gradually widens toward the shoulders, carrying no loose skin or throatiness. It should present a graceful line from head to body, providing the carriage that gives the breed its racy silhouette.

The body is moderately long, neither so short as to look cramped nor so long as to suggest weakness. The back is strong and straight, with muscular loins and well-sprung ribs that provide ample capacity for the lungs and heart without creating a barrel-chested appearance. The chest is deep and muscular but not wide, reaching approximately to the elbow. The tuck-up is noticeable but not extreme, contributing to the breed's raciness without making it look greyhound-thin. The shoulders are long and well laid back, blending smoothly into the body and allowing for the free, ground-covering movement the breed requires.

The forelegs are straight, moderately long, and well-boned without heaviness. The hindquarters are strong and muscular, with well-bent stifles and hocks that are close to the ground, providing the driving power for the breed's characteristic ground-covering gait. The feet are moderately small, round, and compact, with well-arched toes that are neither turned in nor out. The tail is traditionally docked to approximately three-quarters of its original length and is set fairly high, carried gaily but not curled over the back.

The coat is the Red Devil's crowning glory and one of the breed's most distinctive features. It is dense, wiry, and close-lying, with a texture that feels crisp and slightly rough to the touch. The undercoat is softer and finer, providing insulation beneath the protective outer layer. Color ranges from bright red to golden red to red wheaten, and the entire body should be of a uniform shade. A small white patch on the chest is tolerated but not desired. Irish Terrier puppies are sometimes born with black hair that fades as they mature, which is a normal developmental pattern and not a fault.

In movement, the Red Devil covers ground with a free, smooth stride that reflects its athletic construction. The forelegs reach well forward without high-stepping action, and the hindquarters drive strongly, propelling the dog with power and efficiency. There is no wasted motion, and the overall impression is of a dog that could run all day if asked to do so.

Affectionate With Family
The Red Devil bonds deeply and fiercely to its household, offering a loyalty that is total and unwavering. This is a dog that considers its family the center of its universe and shows it daily.
Good With Young Children
Playful and sturdy enough for active kids, the Irish Terrier does best with children who have learned respectful handling. Supervision is important with toddlers, as the breed can be direct about its boundaries.
Good With Other Dogs
Dog aggression is a well-documented breed characteristic, particularly with same-sex encounters. Careful management and early socialization can moderate but rarely eliminate this tendency.
Shedding Level
A properly hand-stripped Irish Terrier coat sheds almost nothing. Even clipped coats shed minimally, making this one of the lower-shedding terrier breeds.
Coat Grooming Frequency
The wiry coat requires hand-stripping two to three times per year and regular brushing between sessions. The beard and leg furnishings need additional attention to prevent tangling.
Drooling Level
The Red Devil is a clean-mouthed breed that produces no appreciable drool under normal circumstances.
Coat Type
A harsh, dense, wiry double coat that lies close to the body and provides excellent weather protection when properly maintained through hand-stripping rather than clipping.
Openness To Strangers
The breed is naturally wary of unfamiliar people and maintains a watchful reserve in the presence of strangers. Trust is extended gradually and on the dog's own terms.
Playfulness Level
The Red Devil approaches play with enthusiasm and a terrier's sense of humor, remaining actively playful well into adulthood. Interactive games with family are a highlight of its day.
Watchdog/Protective Nature
Guarding instincts are deeply ingrained in this breed. The Red Devil is alert, territorial, and will defend its home and family with the conviction that earned its wartime reputation.
Adaptability Level
The breed adapts to various living situations if exercise needs are met, but its dog aggression and prey drive require consistent management across all environments.
Trainability Level
Intelligent and capable of learning quickly, but approaches training as a partnership rather than a hierarchy. Positive methods and varied sessions produce the best results with this independent thinker.

Red Devil History & Development

The nickname Red Devil emerged from the battlefields of World War One, but the breed it describes had been earning a reputation for reckless courage long before anyone pinned a military label on it. The Irish Terrier's origins trace to the farming communities of southern Ireland, particularly the Cork area, where it developed as a versatile working dog expected to do whatever the household required. It hunted rats, rabbits, and even badgers with the tenacity that defines all terrier breeds. It guarded the farm and alerted to strangers. It served as a companion to families across every economic class, earning the description of the poor man's sentinel, the farmer's friend, and the gentleman's favorite.

The breed's exact ancestry is not precisely documented, but it is believed to descend from the old black and tan terrier types common to Britain and Ireland, with possible contributions from other native Irish breeds. What makes the Irish Terrier's history distinctive among terriers is its color. By the time the breed was being formally standardized in the 1870s, the red coat had become the defining characteristic, and breeders deliberately selected for uniform red coloring, moving away from the mixed colors that had been common in earlier generations. The Irish Terrier Club was founded in Dublin in 1879, and by the 1880s the breed had surged to become the fourth most popular in England.

It was World War One that cemented the Red Devil name in the public imagination. Irish Terriers were recruited as messenger dogs by the British military, a role that required extraordinary courage and reliability under the most extreme conditions imaginable. These dogs ran through no man's land, crossed barbed wire, navigated shellfire, and delivered communications between positions when human runners could not survive the journey. Their casualty rate was high, and their bravery was widely reported in the press. Soldiers who witnessed their performance began calling them Red Devils, a name that captured both the vivid coat color and the almost supernatural fearlessness the dogs displayed under fire.

After the war, the breed's popularity declined along with public appetite for anything associated with the conflict. The Red Devil never returned to its Victorian-era popularity, and today the Irish Terrier is considered an uncommon breed in most countries. However, the nickname has proven more durable than the breed's market share. Walk into any gathering of terrier enthusiasts and mention the Red Devil, and everyone knows exactly which breed you mean. The name has transcended its wartime origins to become the breed's permanent honorary title, a reminder that behind the handsome red coat is a dog whose courage was tested in the worst conditions humans have ever created.

The breed arrived in the United States in the late 19th century and found an appreciative audience. The Irish Terrier Club of America was founded in 1896, and the breed has maintained a devoted if relatively small following in North America ever since. In literature, the breed found a champion in Jack London, whose novel Jerry of the Islands featured an Irish Terrier and brought the breed's character to a wide readership.

Red Devil Temperament & Personality

The Red Devil nickname is not mere branding. It is an accurate description of a temperament that combines fierce loyalty, reckless courage, and an unshakeable confidence that sometimes crosses the line into outright stubbornness. The Irish Terrier is a dog of enormous personality packed into a medium-sized frame, and owners who are not prepared for the intensity of that personality will find themselves outmatched. This is not a dog that defers. It is a dog that negotiates, and it negotiates from a position of complete self-assurance.

Within its family, the Red Devil is deeply affectionate and genuinely devoted. The breed bonds strongly to its people and wants to be involved in everything the household does. It is playful, witty, and capable of the kind of humor that makes terrier owners laugh and non-terrier owners stare in disbelief. Irish Terriers seem to understand timing and audience in a way that borders on deliberate comedy. They are at their best when they are at the center of family activity, and they reward attention with a loyalty that is total and unwavering.

The flip side of that loyalty is a pronounced suspicion toward strangers and a territorial instinct that should not be underestimated. The Red Devil was a guard dog long before it was a show dog, and the guarding instinct remains strong. An Irish Terrier will alert to anyone approaching the property, and its bark carries conviction. With proper socialization, most will accept visitors once introduced, but the breed never fully drops its guard and remains watchful of unfamiliar people in its territory. This makes the Irish Terrier an excellent natural watchdog but a challenging breed for households that receive frequent visitors or live in high-traffic social environments.

Dog aggression is the most commonly cited behavioral challenge in the breed, and it should not be minimized or dismissed. Irish Terriers were historically used in dog fighting, and although those days are long past, the breed retains a readiness to confront other dogs that is more pronounced than in most terrier breeds. This is particularly true of same-sex encounters. Early and ongoing socialization can moderate the intensity of this tendency, but it rarely eliminates it entirely. Owners should expect to manage their Red Devil carefully around unfamiliar dogs and should not rely on recall alone in uncontrolled environments.

The prey drive is substantial and extends to cats, small mammals, and anything that runs. Squirrels, rabbits, and neighborhood cats will be pursued with genuine intent, and the breed's combination of speed and determination makes it a credible threat to small animals. Off-leash freedom should only be granted in securely enclosed areas, and even then, the presence of small wildlife may trigger a pursuit that overrides all training. This is not a failure of training but a fundamental characteristic of a breed developed to hunt vermin and game. When the Red Devil's needs for exercise, mental engagement, and social connection with its family are consistently met, the intensity that defines this breed becomes its greatest asset rather than a management challenge.

Red Devil Family Life & Living Requirements

The Red Devil can be a superb family dog for the right household, but it requires an owner who understands terrier temperament and is willing to provide the leadership, structure, and consistency that this breed demands. The Irish Terrier is not a dog for the passive or the permissive. It needs an owner who sets clear boundaries while maintaining the warmth and fairness that earn this breed's respect. Owners who provide that combination are rewarded with one of the most loyal, entertaining, and fiercely devoted companions in the dog world.

With children, the Irish Terrier can be a wonderful match when the relationship is properly managed. The breed is playful, sturdy enough to handle active play, and genuinely fond of children with whom it has been raised. However, the Irish Terrier's terrier directness means it has limited patience for being grabbed, pulled, or handled roughly, and it may correct a child who crosses its boundaries with a snap rather than a retreat. Supervision is essential with young children, and teaching kids respectful interaction from the beginning prevents most problems.

The Red Devil's compatibility with other household animals is the area that requires the most honest assessment before acquisition. Dog aggression is a documented and well-established characteristic of the breed, and while socialization can temper it, most Irish Terriers will not be reliably friendly with unfamiliar dogs, particularly those of the same sex. Some individuals coexist peacefully with dogs they have been raised with from puppyhood, but this is not universal. Cats and small animals present a significant prey drive risk and should generally be considered incompatible with this breed unless the dog has been raised with them from earliest puppyhood and even then with ongoing supervision and management.

Living arrangements are flexible for the Red Devil provided exercise needs are met. The breed can adapt to apartment living, though access to a securely fenced yard is ideal. The emphasis on secure fencing is not casual. Irish Terriers are intelligent, athletic, and motivated by prey drive, and a fence that merely discourages will not contain a Red Devil that has spotted a squirrel on the other side. The breed's exercise needs are substantial for its size, and an under-exercised Irish Terrier will redirect its considerable energy into destructive behavior, excessive barking, and creative escape attempts. Prospective owners should honestly evaluate whether their schedule and lifestyle can accommodate a dog that requires both significant daily physical activity and meaningful mental engagement to be its best self at home.

Red Devil Training & Exercise Needs

Training a Red Devil is an exercise in mutual respect rather than obedience drills. The Irish Terrier is intelligent, quick to learn, and perfectly capable of mastering complex commands, but it approaches training as a collaborative endeavor rather than a top-down hierarchy. This breed responds well to positive reinforcement methods that engage its natural curiosity and reward its cooperation. Harsh corrections, repetitive drilling, and forceful handling will produce a defiant or shut-down dog rather than a compliant one. The key to training an Irish Terrier is keeping things interesting, keeping sessions short, and maintaining the sense that cooperation is the dog's choice.

Socialization is the most important training investment for this breed and should begin early and continue throughout the dog's life. The Irish Terrier's natural wariness of strangers and tendency toward dog aggression can be moderated significantly through consistent positive exposure to a wide range of people, dogs, and environments during the critical puppyhood months. A good recall is essential given the breed's prey drive, though owners should understand that even the best-trained recall may fail when the Red Devil locks onto a fleeing squirrel or rabbit. Management through leashes and secure enclosures should always supplement training rather than depending on verbal commands alone.

The breed's intelligence and athleticism make it a strong candidate for organized dog sports. Agility channels the Irish Terrier's speed and love of physical challenges into a structured activity that strengthens the bond between dog and handler. Earthdog trials tap into the breed's ratting heritage. Obedience and rally are achievable with patient, reward-based training, though the Irish Terrier will never exhibit the mechanical precision of a Border Collie in these venues. The Red Devil brings its own style to competition, and part of the charm is watching a dog that is clearly thinking for itself while still meeting the requirements of the exercise.

Exercise needs are substantial and should not be underestimated for a breed of this size. The Irish Terrier requires at least 45 to 60 minutes of vigorous daily exercise, which can include long walks, jogging, fetch, and free running in secure areas. The breed has considerable stamina and was built for sustained activity, so a quick walk around the block will not satisfy its physical requirements. Mental stimulation through puzzle toys, training games, and novel experiences is equally important and helps prevent the boredom-driven destructive behaviors that are this breed's primary behavioral downside.

Red Devil Health Concerns

The Red Devil is a robust, hardy breed that benefits from the genetic diversity and sound structure that come with never having been overbred for extreme physical features. Most Irish Terriers live 13 to 15 years, and serious health problems are relatively uncommon compared to many purebreds. That said, several breed-specific conditions are documented and deserve attention from owners and breeders.

Hypothyroidism has been identified at a greater-than-expected incidence in ITCA health surveys, involving insufficient production of thyroid hormone by the thyroid gland. Symptoms include weight gain, lethargy, hair loss, and skin problems, and the condition is managed with daily thyroid hormone supplementation. Cataracts have also been noted in the breed, causing progressive cloudiness of the lens that can lead to vision impairment. Allergies affecting the skin are another documented concern, and some Irish Terriers develop sensitivities to food ingredients or environmental allergens that require dietary management or veterinary treatment.

Common Health Issues

  • Hereditary footpad hyperkeratosis is a genetic defect in keratin production that causes the paw pads to thicken - Crack, and become painful, typically appearing in puppies between four and five months of age and requiring lifelong management.
  • Cystinuria is a metabolic disorder affecting cystine reabsorption in the kidneys - Leading to bladder and kidney stone formation that disproportionately affects males around four to five years of age and can cause life-threatening urinary obstruction.
  • Hypothyroidism has been identified at elevated rates in ITCA health surveys and involves insufficient thyroid hormone production - Causing symptoms including weight gain, lethargy, hair loss, and skin problems.
  • Cataracts cause progressive lens cloudiness that can impair vision and have been documented in the breed at rates warranting screening by responsible breeders. - Cataracts cause progressive lens cloudiness that can impair vision and have been documented in the breed at rates warranting screening by responsible breeders.
  • Skin allergies and sensitivities to food ingredients or environmental allergens can produce itching - Redness, and skin irritation requiring dietary management or veterinary treatment.

Preventive Care & Health Monitoring

  • DNA testing for hereditary footpad hyperkeratosis identifies carriers and affected dogs - Allowing breeders to avoid producing puppies with this painful and lifelong condition.
  • Regular urinalysis monitors for cystine crystal formation in the urine - Enabling early dietary intervention before stones develop and cause urinary obstruction.
  • Thyroid panel screening detects hypothyroidism before clinical symptoms become severe - Allowing for early management with thyroid hormone supplementation.
  • Ophthalmologist examination screens for cataracts and other inherited eye conditions that may develop progressively in the breed. - Ophthalmologist examination screens for cataracts and other inherited eye conditions that may develop progressively in the breed.
  • Regular paw pad inspection catches early signs of hyperkeratosis in puppies and allows for prompt veterinary intervention to manage discomfort and prevent secondary infection. - Regular paw pad inspection catches early signs of hyperkeratosis in puppies and allows for prompt veterinary intervention to manage discomfort and prevent secondary infection.
  • Routine dental care including regular tooth brushing and professional cleanings helps prevent periodontal disease throughout the dog's life. - Routine dental care including regular tooth brushing and professional cleanings helps prevent periodontal disease throughout the dog's life.

Red Devil Grooming & Maintenance

The Red Devil's wiry coat is one of its most distinctive features and requires a specific grooming approach that differs significantly from what most pet owners are accustomed to. The Irish Terrier's coat is double-layered, with a harsh, dense outer coat and a softer, finer undercoat. When properly maintained through hand-stripping, this coat is weather-resistant, virtually non-shedding, and presents the neat, clean outline that defines the breed's appearance. When neglected or improperly maintained through clipping, the coat loses its texture, color intensity, and weatherproofing qualities.

Hand-stripping involves pulling out dead outer coat hairs by hand or with a stripping knife, allowing new growth to come in with the correct wiry texture. Show dogs are stripped on a rolling schedule to maintain a consistent coat length and appearance. Pet dogs require less precision but should be stripped at least two to three times per year to keep the coat in good condition. Many pet owners who are not comfortable with hand-stripping use professional groomers who specialize in terrier coats. Clipping is an alternative that produces a softer, duller coat that does not provide the same weather protection or maintain the same rich red coloring, but it is a practical choice for owners who prioritize convenience.

Between stripping sessions, the coat needs regular brushing with a slicker brush to remove debris and prevent matting, particularly around the legs and beard. The beard and leg furnishings should be combed through several times per week to prevent tangles. Bathing should be infrequent and done only when the dog is genuinely dirty, as excessive bathing strips the natural oils that give the wiry coat its texture and water-repellent properties.

Dental care follows standard recommendations, with tooth brushing several times per week to prevent tartar buildup. Nails should be trimmed every two to three weeks. Ears should be checked weekly for wax buildup or signs of infection and cleaned as needed. Given the breed's susceptibility to hereditary footpad hyperkeratosis, owners should regularly inspect the paw pads for any signs of thickening, cracking, or unusual texture that might indicate the onset of this condition, and consult a veterinarian promptly if abnormalities are detected.