For those who know the difference

In all things give thanks to God

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Welcome to Madra Beag Farm

MBF is home to the most delightful, sweet natured little Jack Russells

For those who know the difference an MBF jack is a special and unique kind of jack.

Perhaps it's the 40 years of perfecting my jacks,  the way we raise them or  it's their Irish charm and it's just in their blood but they certainly are a very special little Jack. 

Failte and we hope you enjoy looking through our site.

Fiona Leahy

Feel free to give us a ring at
207-475-5856 or email us at 

with questions.

I like to remember this Irish Proverb when it comes to raising my Irish Jacks.

'May you have the hindsight to know where you have been, the foresight to know where you are going, and the insight to know when you have gone too far.'


Our Finnegan is friendly, cuddly, smart and melts hearts! Highly recommend MBF.

Deidre Slattery


Roo is my smart, fun, sidekick who brings me continuous joy. Would recommend MBF to anyone!!

Julie Shirah


This is Waffles visiting his dad Rufus (in the background). He is my entire world! I grew up with Jack Russell’s and none were like my Waffles. Best dog ever! Susie Fitzpatrick

We often remark that we could have 10 Baxter's.

He's truly the easiest, funniest dog we have ever had.

All down to great breeding I think. 

Thank you. Alex & Betty. 


Toora and Rosie 5 yrs old, best girls. Everyone says wow I can’t believe they are so mellow for jack russells.

Kate Burchell

Scruffy is "perfect."  He does not bark. He is friendly to all people and with all dogs. He is reliable on long off-leash walks on the trails where we meet dogs, joggers and bicycles.  He stays at home, comes when he is called, is 98% housebroken....And of course, cute as a button.
Thank you!

- Hannah

It's the Stemmermann family wanting to thank you for the greatest dog ever. Skipper is just the best dog.

- The Stemmermann Family


We didn't just get amazing family pets, we got the most beautiful, intelligent, loving family treasures with Blaze and Woody. MBF pups and Fiona are so phenomenal we will be welcoming a third little treasure soon .

Laurie Romer