Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex.
Islington index
Historical London public houses, Taverns, Inns, Beer Houses and Hotels.
Residents at this address.
1869/Samuel Trimmings/Beer Retailer/../../Post Office Directory
1881/John Ayton/Beer Retailer/22/Clerkenwell, Middlesex/Census
1881/Alice Ayton/Wife/22/Bungay, Suffolk/Census
1882/John Ayton/Beer Retailer/../../Post Office Directory
1895/Charles Wakelin/beer retailer/../../Post Office Directory *
1899/Archibald Grazulis/beer retailer/../../Post Office Directory *
1901/David W Carr/Publican/29/High Wycombe, Bucks/Census
1901/Jane Carr/Wife/25/Maidenhead, Berks/Census
1901/Amos Carr/Brother, Barman/28/High Wycombe, Bucks/Census
1901/Joseph H Livermore/Boarder, Potman/38/Islington, London/Census
1901/John briggs/Visitor, Potman/66/Reigate, Surrey/Census
1915/Joseph Lofthouse Haslehurst/beer retailer/../../Post Office Directory *
* Provided by Ewan