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.
Clerkenwell pub history index
Historical London public houses, Taverns, Inns, Beer Houses and Hotels.
Residents at this address.
1789/Mr Fairy/victualler/../../Sun Fire Office records
held at the London Metropolitan Archives *
1811/William Pinnock, Sun & Punch Bowl, 20 Ray street, Clerkenwell/../../Holdens Directory
1827/Jno Stacey, Sun & Punch Bowl, 20 Ray street, Clerkenwell/../../Pigots Directory
1835/Henry Thomas Stannemutt/victualler/../../Sun Fire Office records held at the London Metropolitan Archives *
1836/Edward Clayton, Sun & Punch Bowl, 20 Ray street, Clerkenwell/../../Pigots Directory
1839/Richard Everard/../../../Pigots Directory
1846/Richard Everard/../../../Post Office Directory
1848/Robert Aldous Bowell/../../../Post Office Directory
1851/Samuel Hy Ellis/../../../Kellys Directory
1851/Samuel Henry Ellis/Publican & Lodging House Keeper/33/Walthamstow, Essex/Census
1851/Charlotte Ellis/Wife/29/Althorne, Essex/Census
1851/Samuel H Ellis/Son/2/Clerkenwell, Middlesex/Census
1851/Elizabeth Ellis/Daughter/1/Clerkenwell, Middlesex/Census
1851/Jane Pearsall/Servant/18/St Andrews, Middlesex/Census
1851/Emma Hunt/Servant/12/Clerkenwell, Middlesex/Census
* Provided By Ewan