Terrier Medium size 11-13 kg

Irish Terrier

A bold, fiery red terrier devoted to its people - courageous and hardy, but dog-reactive and driven, needing firm training and outlets.

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Find out how this breed matches your household

Quick overview

Medium
Size
11-13 kg, 45-48 cm
High
Activity
High stamina; needs a long daily run or hike
Moderate
Alone-time tolerance
Handles a normal workday with routine
Moderate
Trainability
Trainable but independent-minded
Moderate
Coat care
Dense or rough coat; regular brushing and trimming
Good
Fit with kids
Good with kids given supervision
Cautious
Other pets
Strong prey drive; caution around small pets
Light
Health burden
Obesity, Luxating Patella, Allergies

The Irish Terrier typically weighs 11-13 kg, stands 45-48 cm, and lives 12-15 years.

Consider this breed if…

you want a spirited, mid-sized dog with terrier fire but real devotion,
a hardy, generally healthy breed with a long lifespan appeals to you,
you can hike, run, or play hard with it daily,
you're prepared to manage a dog that won't back down from other dogs.

Do not consider this breed if…

you visit dog parks or need easy off-leash dog sociability,
cats, rabbits, or rodents share your home,
you want a soft, compliant dog that obeys without negotiation,
an unfenced yard is all the containment you can offer - it will hunt.

A typical day with a Irish Terrier

  1. 7:00 · Morning
    45 min brisk walk or run, on leash near other dogs
  2. 9:30 · Midmorning
    Rest or supervised yard time; watch for digging
  3. 13:00 · Noon
    Short walk with sniffing and a chew after
  4. 16:30 · Afternoon
    Training, 10-15 minutes, kept snappy and rewarding
  5. 18:30 · Evening
    Hike, fetch, or earthdog-style games
  6. 21:30 · Night
    Settles by the family, still guarding with one ear

Temperament and training

Courage Very high
Prey drive Very high
Dog reactivity High
Loyalty to family Very high
Independence High
Watchfulness High
Common owner mistakes
Testing dog-park sociability until a fight confirms the breed standard · Letting it off leash where prey drive can override recall · Repetitive drilling that turns terrier boredom into stubbornness

Family and environment

Kids Good
Playful and devoted; supervise roughhousing.
Dogs Difficult
Classic terrier scrappiness, especially same-sex.
Cats Risky
High prey drive; workable only if raised together, never guaranteed.
Small pets Unsuitable
Rodents and rabbits are prey, full stop.
Apartment Conditional
Size fits; needs daily outlets and barks at noises.
House with a yard Suitable
Secure fencing is non-negotiable; it digs and hunts.
Countryside Manages
Loves it, but wildlife tests recall and fences.
Health data provided by RealVetCost
Overall health burden Light

Detailed health data - inheritance, prevalence, course, and typical treatment costs - lives in a separate expert database. This is general guidance, not veterinary advice - confirm any decision with your vet.

View the full health profile
Top health concerns
Obesity Prone to weight gain; control diet and portions
Luxating Patella Kneecap can slip; surgery if severe
Allergies & Skin Issues Environmental and food triggers are common
Dental Disease Routine home care and cleanings reduce risk

Similar breeds - by reason

Not visually similar - similar in what they mean for you.

Bigger version of the same spirit
Airedale Terrier
The clever, bold king of terriers suits an active owner, but its prey drive and stubborn streak are not beginner material.
View profile →
Smaller, slightly steadier terrier
Welsh Terrier
A bold, cheerful terrier that stays game and busy - the wiry coat needs stripping and the attitude needs channeling.
View profile →
Irish cousin with a different coat
Kerry Blue Terrier
A versatile, clever Irish terrier that stays devoted to its people - the trade-off is a high-maintenance coat needing regular clipping and terrier-typical dog aggression.
View profile →

Frequently asked questions

Are Irish Terriers good with other dogs?
This is the breed's biggest limitation. The old nickname "daredevil" is earned: many Irish Terriers will not start trouble but absolutely will not walk away from it, especially with same-sex dogs. Careful socialization helps, but dog parks and off-leash groups are a bad bet. Plan on leash management for life.
Can an Irish Terrier live with a cat?
Sometimes, if raised with the cat from puppyhood and managed carefully, but the prey drive never disappears - a running cat can flip the switch. Cats new to an adult Irish Terrier, and smaller pets like rabbits or rodents, are genuinely unsafe pairings.
How much does an Irish Terrier cost to own in the US?
The breed is rare in the US; puppies from health-testing breeders commonly run $1,500-$2,500 with waitlists likely. Yearly food and routine care for a 12 kg dog is modest, roughly $1,000-$1,800, plus hand-stripping or trimming a few times a year. Over a 12-15 year lifespan expect $15,000-$25,000 total, and remember any surgery or chronic allergy treatment adds to that.
Do Irish Terriers shed, and what does the coat need?
The wiry double coat sheds lightly but needs regular work: brushing weekly and hand-stripping a few times a year to keep the harsh red texture. Clipping is easier and fine for pets, though it gradually softens and fades the coat. Either way, budget grooming time or professional visits.