The Irish Terrier, "Daredevil" of the Emerald Isle, is a bold, dashing, and courageous terrier of medium size. Known for his fiery red coat and a temperament to match, the Irish Terrier is stouthearted at work and tenderhearted at home.
One of the oldest breeds of terriers, nicknamed the "daredevil," the Irish Terrier has earned the reputation of being adaptable, loyal, spirited, and recklessly courageous. It served as a messenger and sentinel dog in World War I, and has been used to hunt and to retrieve game.
One of the Oldest Terrier Breeds
The Irish Terrier's origin is not known precisely, but it is believed to have descended from the black-and-tan terrier-type dogs of Britain and Ireland, just like the Kerry Blue and Soft-coated Wheaten Terriers in Ireland, or the Welsh, Lakeland, and Scottish Terriers in Great Britain. There is also conjecture that the breed may share bloodlines with the Irish Wolfhound.
They were described by an old Irish writer as being "the poor man's sentinel, the farmer's friend, and the gentleman's favourite." These dogs were originally bred not so much for their looks as for their working qualities and gameness — the Irish Terrier being by instinct a thorough vermin killer. They were formerly of all types and all colors — black-and-tan, grey-and-brindle, wheaten of all shades, and red being the predominant colors — as color or size evidently did not matter if they were hardy and game.
The proper selection process of the breed began only in the latter 19th century. The Dublin dog show in 1873 was the first to provide a separate class for Irish Terriers, and the first breed club was set up in Dublin in 1879. By the 1880s, Irish Terriers were the fourth most popular breed in Great Britain and Ireland.
A bitch called Poppy, the product of two champions, and as her name suggests bright red in color, became a major influence in the breed as all of her progeny were the same attractive color — selective breeding made this color the identifying feature of the breed. The Irish Terrier was the first breed to be recognized by the English Kennel Club as a native Irish breed. The first Irish Terriers were taken to the US in the late nineteenth century and quickly became somewhat popular. During the First World War, they were used as messenger dogs during trench warfare, proving their intelligence and usefulness. The UKC recognized the breed in 1932. A 2024 UK study found a life expectancy of 13.5 years.
Racy, Red, and Rectangular
Breed standards describe the ideal Irish Terrier as racy, red, and rectangular. Racy: an Irish Terrier should appear powerful without being sturdy or heavy. Rectangular: the outline differs markedly from other terriers, with a body proportionately longer than that of the Fox Terrier. The deep chest is distinctive, extending to the elbows.
An active, lively, and wiry appearance with plenty of substance but free of clumsiness — neither cloddy nor cobby, but showing a graceful racy outline. The ideal height is about 18 to 19 inches at the withers, with males weighing 25 to 27 pounds and females 24 to 26 pounds. The dense, wiry coat is bright red, golden red, or red wheaten, protecting the dog from all kinds of weather, accented by a short beard. The dog is sturdily built with racier lines than those of other terriers, and its long, relatively narrow head is usually accented by a short beard.
Stouthearted at Work, Tenderhearted at Home
There is a heedless, reckless pluck about the Irish Terrier which is characteristic — a "daredevil" nature with a fiery spirit. They develop great devotion for their masters. The breed is extremely loyal and affectionate with people, will fight with great courage when attacked, but is easily trained, even-tempered, and a gentle pet.
Irish Terriers are good-tempered, notably with humans, though perhaps a little too ready to resent interference on the part of other dogs. Most Irish Terriers love children and tolerate rough-housing to a certain extent. Most have strong guarding instincts which, when controlled, make them excellent alarming watchdogs.
Exercise and Activity
Irish Terriers are active dogs and need and enjoy consistent mental and physical challenges — up to 1 hour of exercise per day. They are full of life but not hyperactive, able to relax inside the house and rouse to full activity quickly. Well-trained Irish Terriers may do well at a variety of dog sports, such as dog agility.
| Dog | Daily exercise | Notes |
|---|---|---|
| Puppy | 3–4 short play sessions of 10–15 minutes | Keep walks gentle; avoid hard surfaces while growing |
| Adult | 45–60 minutes total walk or play | Split into two shorter sessions if preferred |
| Senior | 30–40 minutes of gentle walking | Slow the pace and shorten distance with age |
The Daily Exercise Guide offers ideas for this active terrier.
Training an Irish Terrier
Irish Terriers enjoy training and learn fast, with food and toys working equally well as motivation. They have less eagerness to please people than some other breeds, but have mental ability and enjoy puzzle solving. They respond best to consistent, reward-based training from a relaxed, authoritative person — violence should never be used; prefer distraction and rewarding the desired behavior. It is always best to outwit and lure. They have a good nose and can learn to track either animal or man.
The Dog Training Guide and Puppy Care Guide offer a solid foundation.
Grooming an Irish Terrier
The Irish Terrier has a dense, wiry coat that needs stripping — regular brushing with a terrier brush, and hand-stripping to maintain the harsh texture and correct color. Grooming is needed more than once a week. Routine care includes nail trimming, ear cleaning, and tooth brushing.
| Task | Frequency | Notes |
|---|---|---|
| Brushing | 2–3 times a week | Brush in the direction of the coat and check for tangles |
| Bathing | Every 6–8 weeks or as needed | Use a mild dog shampoo |
| Nail trimming | Every 3–4 weeks | Trim when you hear nails clicking on the floor |
| Ear checks | Weekly | Look for wax, redness, or odor |
| Teeth brushing | 2–3 times a week | Dental chews help as a supplement |
| Professional trim or clip | Every 6–8 weeks | Keeps the coat tidy and hygienic |
The Dog Grooming Guide covers caring for a wiry terrier coat.
Feeding an Irish Terrier
An Irish Terrier should be fed high-quality food appropriate to its age, size, and activity level, typically in two meals per day. As an active terrier, sound nutrition supports daily exercise.
| Life stage | Meals per day | Portion per meal (approx.) | Notes |
|---|---|---|---|
| Puppy (under 6 months) | 3–4 meals | 1/2–1 cup | Use a good-quality puppy formula |
| Adult | 2 meals | 1–1.5 cups | Adjust to activity level and body condition |
| Senior (7+ years) | 2 meals | 1–1.25 cups | Consider a senior or joint-support formula |
Your veterinarian can recommend the right diet and portions.
Health and Veterinary Care
The Irish Terrier has a life expectancy over 12 years — a 2024 UK study found 13.5 years. The breed is generally healthy, though responsible breeders screen for conditions seen in terriers, including hip dysplasia, patellar luxation, and eye disorders.
| Check-up | Frequency | Notes |
|---|---|---|
| Wellness exam | Annual | Includes dental and weight check |
| Vaccinations | Annual booster | Follow your veterinarian's schedule |
| Heartworm prevention | Monthly (or as advised) | Year-round in most regions |
| Dental check | Annual cleaning as recommended | Watch for tartar buildup |
| Eye and ear health checks | Discuss with your vet | Part of the annual vet review |
| Senior wellness checks | Start from age 7 | Early detection of age-related conditions |
The Signs of a Healthy Pet guide is a useful home checklist.
Home Environment
The Irish Terrier is suited for life in both rural and city environments, doing well in a small house with a small or medium garden. They need exercise and require large amounts of walking. They are good with people, develop a highly developed sense of loyalty, and need a strong responsible leader they respect.
If you're weighing whether an Irish Terrier fits your life, the Choosing the Right Pet guide can help you compare honestly.
Common Ownership Challenges
Owning an Irish Terrier means committing to a bold, independent terrier that is often dominant with other dogs — poorly socialized individuals can start fights, so early socialization is a necessity. They need consistent, reward-based training from a relaxed but authoritative owner, and their guarding instincts must be controlled.
Yet for the right owner, the Irish Terrier is incomparable — a stouthearted daredevil with a tender heart, loyal and affectionate with its people.
Advantages and Disadvantages
Advantages
- Extremely loyal and affectionate with people
- Bold, spirited, and courageous
- Most love children
- Excellent alarm watchdogs
- Adaptable to rural and city life
- Suits a small house and garden
Disadvantages
- Often dominant with other dogs
- Independent streak — needs reward-based training
- Strong guarding instincts to manage
- Regular coat stripping and grooming
- Can be "too ready to resent" other dogs
- Not a dog for a timid owner
Frequently Asked Questions
How big do Irish Terriers get? About 18–19 in tall; weight 24–27 lb.
How long do Irish Terriers live? Typically 12 to 14 years (13.5 average in a 2024 study).
Are Irish Terriers good family dogs? Yes — loyal, affectionate, and most love children.
Are Irish Terriers easy to train? They learn fast with consistent, reward-based training.
Are Irish Terriers good with other dogs? Caution — they are often dominant with other dogs.
Are Irish Terriers good watchdogs? Excellent — strong guarding instincts and alarm barking.
Are Irish Terriers good apartment dogs? Yes — adaptable to both rural and city life.
Do Irish Terriers shed much? Low-shedding wiry coat, but needs regular stripping.
Are Irish Terriers rare? They're a relatively uncommon breed today.
What were Irish Terriers bred to do? Vermin killing and as all-around farm dogs.
Are Irish Terriers one of the oldest terrier breeds? Yes — considered one of the oldest.
What health problems do Irish Terriers have? Hip dysplasia, patellar luxation, and eye disorders.