In 1974, under the Local Government Act 1972, the administrative counties of Cumberland and Westmorland were abolished, and were combined with parts of Lancashire and Yorkshire to form the non-metropolitan county of Cumbria.
[1] The administrative and ceremonial county of Cumbria were then divided into six local government districts.
The first section lists Members of parliament for the old counties of Cumberland and Westmorland, and the second section for the county of Cumbria.
The Workington Constituency was created by the Representation of the People Act 1918, which also abolished the constituency of Cockermouth.
The Parliament constituency of Westmorland was renamed Westmorland and Lonsdale in 1983 This section lists Members of parliament for the new county of Cumbria since the re-organisation in 1983