Dear Capricorn,
You are 100% correct!! Thank you so much. My great grandfather lived at 8 Caledonian Street and his wife was Margaret Henderson and that is who paid for the lair. I can not begin to thank you enough - I would have been visiting the wrong grave next year. I will pass this information on to my cousin here in Australia, she is also interested in our family history.
Once again thanks - it is just wonderful that there are people out there to help you when you hit a dead end.
best wishes
Andrea