Accurate transcriptions of the 1921 census are being added to the pub history site, starting with London.
Pinner pub history index
The Red Lion existed by 1737, was rebuilt in 1875 and demolished in 1963. There is a picture from around 1962 here.
A listing of historical public houses, Taverns, Inns, Beer Houses and Hotels in Middlesex. The Middlesex listing uses information from census, Trade Directories and History to add licensees, bar staff, Lodgers and Visitors.
Residents at this address
1866/John Pym/../../../Post Office Directory
1871/John Pym/Victualler/55/Exeter, Devon/Census
1871/Esther Pym/Wife/60/Chesham, Buckinghamshire/Census
1871/Caroline Eames/Step Daughter, Dressmaker/23/Pinner, Middlesex/Census
1871/James Temple/Lodger, Labourer/60/Ruislip, Middlesex/Census
1874/William Dyer/../../../Post Office Directory
1878/William Dyer/../../../Post Office Directory
1881/William White Dyer/Licensed Victualler/53/Devon/Census
1881/Eliza Dyer/Wife/52/St Martins, Middlesex/Census
1881/Sarah Dyer/Daughter, Barmaid/23/St Pancras, Middlesex/Census
1881/Edward Dyer/Son, Plumber/15/Pinner, Middlesex/Census
1881/William White Dyer/Son/14/Pinner, Middlesex/Census
1881/Emily Eliza Dyer/Daughter/11/Pinner, Middlesex/Census
1881/Joseph Emery/Visitor, Traveller Commercial/24/Chelsea, Middlesex/Census
1881/Joseph Lobb/Lodger, Carpenter/31/Cornwall/Census
1890/William White Dyer/../../../Post Office Directory
1891/William W Dyer/Licensed Victualler/63/Lympson, Devon/Census
1891/Eliza Dyer/Wife/62/St Martins Lane, London/Census
1891/William W Dyer/Son, Griocers Assistant/24/Pinner, Middlesex/Census
1891/Emla E Dyer/Daughter, General Servant/21/Pinner, Middlesex/Census
1894/William White Dyer/../../../Post Office Directory
1898/Henry Dyer/../../../Post Office Directory
1899/Henry Dyer/../../../Post Office Directory
1901/Henry Dyer/Licensed Victualler/40/Shepherds Bush, London/Census
1901/Annie Dyer/Wife/32/Otterton, Devon/Census
1901/Madge D Dyer/Daughter/3/Pinner, Middlesex/Census
1901/Alice H Gibson/Visitor/32/Rodden, Somerset/Census
1901/Elizabeth J wild/General Servant/15/Paddington, London/Census
1911/Henry Dyer/Licensed Victualler/50/London/Census
1911/Sarah A Dyer/Wife, Assistant/42/Otterton, Devon/Census
1911/Madge Dorothy Dyer/Daughter/13/Pinner, Middlesex/Census
1911/Harry Carter Dyer/Son/8/Pinner, Middlesex/Census
1911/Mary Susan White/Visitor/35/Otterton, Devon/Census
1914/Henry Dyer/../../../Post Office Directory
1926/Henry Dyer/../../../Post Office Directory
1937/William Hy Beckley/../../../Post Office Directory