Hi Barbara. I've only just found this site and registered today!
Re the Joy family from Paddock Wood.
Harold was Harold Gladstone Joy who married Alice Clara Joy.
It is correct that they had 3 children, Dolly (WAS Dorothy and died aged 12 from Diabetes), Megan (Married a James Dungate) and Betty Lucy Jane (married William Johnson from East Peckham).
Betty & William (Bill) had 2 Sons, Michael ("Mike" born 1942) and Keith (born 1950).
I am that Keith and together with my brother we are trying to piece together as much as possible of our family tree - don't have much yet and I can't get to the local sites of information (i.e. Parish Churches, etc.) because I now live in Yorkshire, Mike married a Barbara and now lives in East Sussex. For some reason mum didn't know many details about her dad's family but did manage to remember the names of her 10 uncles & aunts on her mother's side (I'm not certain that all are correct though). I can give you a list if that would be of any use in cross referencing. [I have in my possession a Bible given to Betty in memory of her sister Dorothy]. It would be very nice to hear from you and find out where you fit into the family. I can confirm that my grandparents did live near the station, actually in Station Road in one of a pair of houses (that still stand and are lived in) called Forge Cottages - that was where I was born. There was another Joy family in Commercial Road, Paddock Wood, but they are not related - All I know about them is that the father was called Billy and was a "Snob" (shoe repairer) and about the same age as my parents.