The

Northern Ireland House of Commons The House of Commons of Northern Ireland was the lower house of the Parliament of Northern Ireland created under the ''Government of Ireland Act 1920''. The upper house in the bicameral parliament was called the Senate. It was abolished wit ...

existed from 1921 to 1973 as the lower House of the devolved legislature of the part of the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

called

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

. As in the

UK Parliament The Parliament of the United Kingdom is the supreme legislative body of the United Kingdom, the Crown Dependencies and the British Overseas Territories. It meets at the Palace of Westminster, London. It alone possesses legislative supremac ...

the constituencies were classified as

borough A borough is an administrative division in various English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely. History In the Middle Ag ...

county A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

university A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, t ...

constituencies. In 1921–29 the 52 provincial

Members of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members of ...

were elected using

proportional representation Proportional representation (PR) refers to a type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to geographical (e.g. states, regions) and political divis ...

by the

single transferable vote Single transferable vote (STV) is a multi-winner electoral system in which voters cast a single vote in the form of a ranked-choice ballot. Voters have the option to rank candidates, and their vote may be transferred according to alternate p ...

in multi member constituencies. The constituencies which returned one or two members to the UK Parliament, between 1922 and 1950, were used for Northern Ireland devolved elections in the 1921–29 period. Between 1929 and 1969 there were 48 single member constituencies, using the

first past the post In a first-past-the-post electoral system (FPTP or FPP), formally called single-member plurality voting (SMP) when used in single-member districts or informally choose-one voting in contrast to ranked voting, or score voting, voters cast their ...

method of election. The non-territorial

University constituency A university constituency is a constituency, used in elections to a legislature, that represents the members of one or more universities rather than residents of a geographical area. These may or may not involve plural voting, in which voters ar ...

continued to return 4 members using the single transferable vote. For the 1969 election 4 new territorial constituencies were created to replace the University seats. The 52 constituencies ceased to exist after the

Parliament of Northern Ireland The Parliament of Northern Ireland was the home rule legislature of Northern Ireland, created under the Government of Ireland Act 1920, which sat from 7 June 1921 to 30 March 1972, when it was suspended because of its inability to restore ord ...

was suspended in 1972 and abolished in 1973.

Historical representation by party

Antrim

Belfast

Down

Fermanagh and Tyrone

Londonderry

Queen's University

{, class="wikitable" !Constituency !1921 !1925 !1929 !1933 !1938 !1945 !1949 !1953 !1958 !1962 !1965 !1969 , - ,

Queen's University of Belfast , mottoeng = For so much, what shall we give back? , top_free_label = , top_free = , top_free_label1 = , top_free1 = , top_free_label2 = , top_free2 = , established = , closed = , type = Public research university , parent = ...

Campbell Campbell may refer to: People Surname * Campbell (surname), includes a list of people with surname Campbell Given name * Campbell Brown (footballer), an Australian rules footballer * Campbell Brown (journalist) (born 1968), American television ne ...

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Johnstone Johnstone ( sco, Johnstoun,
gd, Baile Iain) is a town ...

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Robb Robb is a surname of Scottish origin, formed from a diminution (reduction) of the name Robert. Robert was a popular name, especially after its use by three Scots Kings in the fourteenth century. Rob is first recorded as a surname in the mid-15th ...

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Morrison Morrison may refer to: People * Morrison (surname), people with the Scottish surname Morrison * Morrison Heady (1829–1915), American poet * Morrison Mann MacBride (1877–1938), Canadian merchant Places in the United States * Morrison, Colorad ...

U , , , , , , , , , , , Sources: * ''Northern Ireland Parliamentary Election Results 1921–1972'', compiled and edited by Sydney Elliott (Political Reference Publications 1973) *For the exact definition of constituency boundaries see http://www.election.demon.co.uk/stormont/boundaries.html