Sorry, I'm just seeing this post now and I'm not sure whether you ever managed to get in touch with Jimmy or not, but Jimmy's son's email address is jim.mcgeough@yahoo.com. His son is based in the US now.
I was looking to get in touch with Jimmy in the past myself and came across Jim's email address (published by himself) on a public genealogy forum, so I decided to contact him for assistance. Thankfully, he was very obliging and was happy to give me a contact number for his father. If you got in touch with Jim, I'm sure he'd be happy to help if you still needed to get in touch. I wouldn't feel right passing out the number myself as it's the private house number and I don't have permission to do so, but I'm sure Jim will have no problem helping you.
Good luck!
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