Parliamentary boroughs are a type of administrative division, usually covering urban areas, that are entitled to representation in a Parliament

Parliament

A parliament is a legislature, especially in those countries whose system of government is based on the Westminster system modeled after that of the United Kingdom. The name is derived from the French , the action of parler : a parlement is a discussion. The term came to mean a meeting at which...

. The term came into use in the 19th century in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, when certain boroughs were disenfranchised, becoming merely municipal borough

Municipal borough

Municipal boroughs were a type of local government district which existed in England and Wales between 1835 and 1974, in Northern Ireland from 1840 to 1973 and in the Republic of Ireland from 1840 to 2002...

s.

Two seat boroughs

The last few seats to be represented by two members in the 1945-50 parliament were

• Blackburn
  Blackburn (UK Parliament constituency)
  Blackburn is a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. The town currently elects one Member of Parliament by the first past the post system of election. It has elected Labour MPs since its re-creation in 1955.-Boundaries:The constituency...
  
  
• Bolton
  Bolton (UK Parliament constituency)
  Bolton was a borough constituency centred on the town of Bolton in the county of Lancashire. It returned two Members of Parliament to the House of Commons for the Parliament of the United Kingdom, elected by the bloc vote system....
  
  
• Brighton
  Brighton (UK Parliament constituency)
  Brighton was a parliamentary constituency of the House of Commons of the Parliament of the United Kingdom from 1832 until it was divided into single-member seats from the United Kingdom general election, 1950...
  
  
• City of London
  City of London (UK Parliament constituency)
  The City of London was a United Kingdom Parliamentary constituency. It was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1950.-Boundaries and boundary...
  
  
• Derby
  Derby (UK Parliament constituency)
  Derby is a former United Kingdom Parliamentary constituency. It was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1950. It was represented by two Members of...
  
  
• Dundee
  Dundee (UK Parliament constituency)
  Dundee was a constituency of the House of Commons of the Parliament of the United Kingdom from 1832 to 1950, when it was split into Dundee East and Dundee West....
  
  
• Norwich
  Norwich (UK Parliament constituency)
  Norwich was a borough constituency which was represented in the House of Commons of England from 1298 to 1707, in the House of Commons of Great Britain from 1707 to 1800, and in the House of Commons of the United Kingdom from 1801 until it was abolished for the 1950 general election...
  
  
• Oldham
  Oldham (UK Parliament constituency)
  Oldham was a parliamentary constituency centred on the town of Oldham, England. It returned two Members of Parliament to the House of Commons of the Parliament of the United Kingdom...
  
  
• Preston
  Preston (UK Parliament constituency)
  Preston is a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election.-Boundaries:...
  
  
• Southampton
  Southampton (UK Parliament constituency)
  Southampton was a parliamentary constituency which was represented in the British House of Commons. Centred on the town of Southampton, it returned two Members of Parliament from 1295 until it was abolished for the 1950 general election....
  
  
• Stockport
  Stockport (UK Parliament constituency)
  Stockport is a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election.-Boundaries:...
  
  
• Sunderland
  Sunderland (UK Parliament constituency)
  Sunderland was a borough constituency of the House of Commons, created by the Reform Act 1832 for the 1832 general election. It elected two Members of Parliament by the bloc vote system of election until it was split into single-member seats of Sunderland North and Sunderland South for the 1950...
  
  

Three Northern Ireland county constituencies also had two seats at that time:

• Antrim
• Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  
• Fermanagh and Tyrone
  Fermanagh and Tyrone (UK Parliament constituency)
  Fermanagh and Tyrone was a Parliamentary Constituency in Northern Ireland which was represented in the House of Commons of the Parliament of the United Kingdom...
  
  

All these seats were split for the 1950 general election

United Kingdom general election, 1950

The 1950 United Kingdom general election was the first general election ever after a full term of a Labour government. Despite polling over one and a half million votes more than the Conservatives, the election, held on 23 February 1950 resulted in Labour receiving a slim majority of just five...

.

Some university constituencies had multiple seats until their abolition in 1950:

• Cambridge University
  Cambridge University (UK Parliament constituency)
  Cambridge University was a university constituency electing two members to the British House of Commons, from 1603 to 1950.-Boundaries, Electorate and Election Systems:...
  
  
• Combined English Universities
  Combined English Universities (UK Parliament constituency)
  Combined English Universities was a university constituency represented in the United Kingdom Parliament . It was formed by enfranchising and combining all the English Universities, except for Cambridge, Oxford and London, which were already separately represented.-Boundaries:This University...
  
  
• Oxford University
  Oxford University (UK Parliament constituency)
  Oxford University was a university constituency electing two members to the British House of Commons, from 1603 to 1950.-Boundaries, Electorate and Electoral System:...