Hi Cass,
I got there earlier than anticipated and have photographed all of your requests. George and Maggie's grave is quite large and due to the closeness of the grave in front I could not get a full photo front on. So sad that Michael died so young.
Please PM me with your email address and I will send the photos to you.
I hope you are pleased will the outcome and if you require any more just let me know while I am here.
DropBear

P.S. Also, if you are interested, I have three old newspaper photos. One of the Gahan house, one of George Gahan and one of Harvey Gahan. Due to the age of them, they are not excellent quality but if you don't have them they are clear enough.