Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex. If you can contribute to the site, send me some details to Kevan, along with some description of the specific property.
St Giles pub history index
A listing of historical public houses, Taverns, Inns, Beer Houses and Hotels in St Giles in Fields, London.
Residents at this address.
1851/Robert Hill/Victualler/37/Luton, Bedfordshire/Census
1851/Florence Hill/Wife/38/Landough, Wales/Census
1851/Florence Hill/Daughter/6/London/Census
1851/Charles Haycock/Visitor, Wine Merchants Clerk/34/Wells, Norfolk/Census
1856/James Skeene/Ale & Sandwich Rooms/../../Post Office Directory
1861/James Skeane/Beer Shop/39/Poplar, London/Census
1861/Isabella Skeane/Wife/44/Westminster, London/Census
1861/Isabella E Skeane/Daughter/8/St Brides, London/Census
1861/Mary Skeane/Mother/74/Plymouth/Census
1861/Ann Skeane/Daughter/31/Poplar, London/Census
1861/Elizabeth Soaft/Servant/25/St Giles, London/Census
1869/George Howes/Alton Ale Rooms/../../Post Office Directory
1891/Jesse Wren/Beer Retailer/../../Post Office Directory
1899/Arthur James Dawson/Beer Retailer/../../Post Office Directory