The Modern Records Centre holds archives of the following unions. Unless otherwise stated, none of these archives contains information of special interest to family historians. The Centre holds no membership registers for these unions.
The Amalgamated Association of Tramway and Vehicle Workers was founded in Manchester in 1889 as the Northern Counties Amalgamated Association of Tramway and Hackney Carriage Employees and Horsemen in General and soon had a wide membership across the North of England. In 1892 it changed its name to the Tramway, Hackney Carriage Employees' and Horsemen's Association and extended its membership throughout Britain and Ireland, absorbing a number of local associations. The title Amalgamated Association of Tramway and Vehicle Workers was adopted in 1901.
The London Cab Drivers' Trade Union was formed in 1894. In 1913 it was renamed the London and Provincial Union of Licensed Vehicle Workers.
List of death benefits paid to widows appear in annual reports, 1916-1919 (MSS.126/LVW/4/1). These give surname, initials, age, branch, cause of death and amount of benefit paid.
In 1919 the Amalgamated Association of Tramway and Vehicle Workers and the London and Provincial Union of Vehicle Workers amalgamated to form the United Vehicle Workers.
In 1922 the United Vehicle Workers became one of the fourteen unions that amalgamated to form the Transport and General Workers' Union.
In 1932 a formal agreement was made between the TGWU and the National Union of Railwaymen under which the NUR was given the right to organise the employees of the railway-controlled bus companies.
The National Passenger Workers' Union was formed in 1938 by a group of breakaway TGWU members. Its members rejoined the TGWU in 1946.
The National Busworkers' Association was formed in Hampshire and Dorset in 1950 and its membership soon spread, mainly in the railway-owned bus companies. It collapsed in 1954.