Irish Terrier vs Jack Russell Terrier
Side-by-side comparison — size, temperament, traits, costs, and health

Irish Terrier
Respectful, Lively, Intelligent, Dominant, Protective, Affectionate, Curious, Dignified, Playful, Loyal, Gentle, Friendly, Quiet

Jack Russell Terrier
Bold, Fearless, Alert, Energetic, Intelligent, Athletic, Tenacious, Mischievous, Vocal, Independent
📏 Physical Stats
⚡ Temperament & Traits
Scores are 1–5 from breed data. Higher = more of that trait. Barking: lower is quieter.
💰 Cost of Ownership
Based on breed-specific cost data at a moderate care level — quality food, routine vet, occasional grooming, standard insurance. Actual costs vary by location and provider.
Over their lifetimes, a Jack Russell Terrier (~15 yrs) costs approximately $11,923 less than a Irish Terrier (~14 yrs) in total.
🏥 Health Considerations
Irish Terrier
Full Irish Terrier health guide →Health conditions listed are common concerns for these breeds or breed groups. Not every dog will develop these conditions. Regular vet check-ups are the best prevention.
🐾 Temperament
Irish Terrier
Respectful, Lively, Intelligent, Dominant, Protective, Affectionate, Curious, Dignified, Playful, Loyal, Gentle, Friendly, Quiet
Jack Russell Terrier
Bold, Fearless, Alert, Energetic, Intelligent, Athletic, Tenacious, Mischievous, Vocal, Independent