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.
1881/Eliza Peach/Licenced Victualler, Widow/69/Wexham, Suffolk/Census
1881/Thomas J Peach/Son, Licenced Victualler/36/Islington, Middlesex/Census
1882/Mrs Poach/../../../Post Office Directory