Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex.
West Ham pub history index
The following entries are in this format:
Year/Publican or other Resident/Relationship to Head and or Occupation/Age/Where Born/Source.
1901/Owen A. Attewell/Beer Wine & Spirit Retailer/48/Kingsdon,
Hampshire/Census *
1901/Harriet A. Attewell/Wife/50/Marylebone/Census
1901/Isabella H. Attewell/Daughter, Domestic Servant/23/Marylebone/Census
1901/John O. Attewell/Son, Carpenters Apprentice/18/Plaistow, Essex/Census
1901/Lilian F. B. Attewell/Daughter/16/Plaistow, Essex/Census
1902/Thomas Turner/beer retailer/../../Kelly's Directory *
1906/James Wright/beer retailer/../../Kelly's Directory *
1911/Maud Scott/Manageress of Off License/29/Bermondsey, Surrey/Census *
1912/Miss Amy E. Matthews/beer retailer/../../Kelly's Directory *
1914/Miss Amy E. Matthews/beer retailer/../../Kelly's Directory *
1917/Miss Amy E. Matthews/beer retailer/../../Kelly's Directory *
1922/William R. Baneham/beer retailer/../../Kelly's Directory *
1934/Albert Oliver Baker/beer retailer/../../Kelly's Directory *
1938/George W. Brooks/beer retailer/../../Post Office Directory *
1944/Mrs Flora Vale/../../../Post Office Directory *
* Provided by Ewan