Thank you very much for this very detailed information. It will take me a while to fully absorb it and will doubtless raise a number of further questions. I had seen that Steven Smart had lived next door to the Stevens' but had not realised that he was family. I had no knowledge of family names and connections as my Grandmother left Croydon c. 1918 and went off to Ireland where she married my Grandfather. She also confused things by using a number of other different names (which seems to have been quite common in Croydon from what I read). In the 1911 census it showed that John and Susan had been married for 25 years with one child, but I suspect seeing that she was married before, that she was counting up the years of her first marriage as I had been looking for a marriage from 1886 under Williams and/or Cooper.
If you should ever come across the name of Dean in your researches, connected with any of these people, I would be very grateful to hear.
Once more thank you very much.
Sue