This list does not include those places which are now part of Greater London. A list of these can be found on the The East of London Family History Society's web site. There is one exception: Chingford. This is now in the London Borough of Waltham Forest. For this you could try the Chingford Historical Society
A useful resource for finding out contiguous parishes (those parishes that immediately surround a parish or location) is England Jurisdictions 1851 on familysearch.org.
Belchamp St. Paul
Bradwell On Sea
Newspaper archives are now a very important source of information for researching your family tree.
Find your ancestors in the newspapers.
Try our example search to discover if your ancestors are in the British Newspaper Archive.
Also look at other newspaper archives and learn how they can help you research your ancestors. >>more
Ebay is a good source of old images of Essex towns and villages. If you're looking for pictures to add to your family tree album, then try one of the auctions, or there are several 'Buy It Now' shops offering postcards which have been touched up and improved - so if you're unsure about bidding, try these. Link already formatted for Essex Postcards. Browse through or type the name of the location in the Ebay search box.