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. The St Giles in Fields , London listing uses information from census, Trade Directories and History to add licensees, bar staff, Lodgers and Visitors.
Residents at this address
1827/Henry Miles, Archer, 20 Newton street, High Holborn/../../Pigot's
Directory
1833-34/Ann Howell, Archer, 20 Newton Street, Holborn/../../Pigots Directory
1841/George Reeve/Victualler/25/../Census
1841/Mary Reeve/../35/Middlesex/Census
1841/Thomas Reeve/../10/../Census
1841/Francis Reeve/../9/../Census
1841/Mary Crandolan/Female Servant/25/Ireland/Census
..
1842/Thomas Reve/../../../Robsons Directory
January 1847/Thomas Richards/Outgoing Licensee/../../Era
January 1847/Thomas Price/Incoming Licensee/../../Era
February 1847/Thomas Price/Outgoing Licensee/../../Era Newspaper
February 1847/James Brown/Incoming Licensee/../../Era Newspaper
October 1848/James Brown/Outgoing Licensee/../../Era Newspaper
October 1848/Mary Dennis Pink/Incoming Licensee/../../Era Newspaper
August 1849/Mary Dennis Pink/Outgoing Licensee/../../Era
August 1849/James Hall/Incoming Licensee/../../Era
1851/James Brown/Licensed Victualler/35/Cick, Norfolk/Census
1851/Susannah Brown/Wife/35/Ireland/Census
1851/Ellen Brown/Daughter/11/Putney, Surrey/Census
1851/James Brown/Son/10/Putney, Surrey/Census
January 1854/John Henry Payne/Outgoing Licensee/../../Era
January 1854/Robert Relf McCraw/Incoming Licensee/../../Era
June 1855/Late tenant quit/Outgoing Licensee/../../Era Newspaper
June 1855/William Barrow/Incoming Licensee/../../Era Newspaper
1856/William Barrow/../../../Post Office Directory
1861/William Winyard/Licensed Victualler/34/Hackney, Middlesex/Census
1861/Elizabeth Winyard/Wife/40/Hindon, Yorkshire/Census
1861/Mary Anne Winyard/Daughter/6/St Giles in the Fields, Middlesex/Census
1861/Charles Patterson/Visitor, Traveller/21/Mitcham, Surrey/Census
1862/William Winyard/../../../Post Office Directory
1869/Robert Holloway/../../../Post Office Directory