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 Sepulchre index
Historical London public houses, Taverns, Inns, Beer Houses and Hotels.
Residents at this address.
1833-34/Anna Cummins, Red Lion, Whitehorse alley, Cowcross/../../Pigots Directory
1841/James Kenny/Publican/28/Middlesex/Census
1841/Eliza Kenny/../27/../Census
1841/Eliza Kenny/../4/Middlesex/Census
1841/Ellen Sheveman/Female Servant/22/Ireland/Census
1848/James Kenny, Red Lion, Whitehorse alley, Cowcross/../../Post Office Directory
1851/James Kenny/../../../Kellys Directory
1851/James Kenny/Licensed Victualler/38/Bethnal Green, Middlesex/Census
1851/Elizth Kenny/Wife/44/Pinchbeck, Lincolnshire/Census
1851/Ekiza A Kenny/Daughter/14/St Sepulchre, Middlesex/Census
1851/Honora Kenny/General Servant/18/St Sepulchre, Middlesex/Census
1851/Eliza Upton/Visitor/26/Pinchbeck, Lincolnshire/Census
1856/James Kenny, Red Lion, Whitehorse alley, Cowcross/../../Post Office Directory
Morning Advertiser 23 November 1863
Red Lion, White Horse alley, James Hunter to Michael Isaac Emanuel
November 1866/late tenant quit/Outgoing Licensee/../../Era
November 1866/Stokeburn Huthwaite/Incoming Licensee/../../Era
March 1872/Removal of license from Red Lion, White Horse alley to
Springfield Park House, Wood Green, Edmonton for occupier Robert Patley/Licensee/../../Era
** Provided By Stephen Harris