Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex.
Manchester pub history index
Directory of Pubs in the UK, historical public houses, Taverns, Inns, Beer Houses and Hotels in Manchester, Lancashire.
Residents at this address
1876/John Tomlinson/Beer Retailer, 126 York Street/../Slater’s Directory
1881/Charles Usher/Beerhouse Keeper/69/Ireland/Census
1881/Sarah Usher/Wife/50/Liverpool, Lancashire/Census
1881/Charles Usher/Son/14/London, Middlesex/Census
1911/William H Greenwood/Beer Retailer/../Slaters Directory