It returned one Member of Parliament (MP) elected by the first-past-the-post voting system.
[citation needed] After the 1918 election, Sinn Féin invited all those elected for constituencies in Ireland to sit as TDs in Dáil Éireann rather than in the House of Commons of the United Kingdom.
University constituencies had existed in the United Kingdom Parliament and its predecessors since 1603 and in 1918 Queen's was enfranchised as such.
As with most other Northern Ireland seats in this period, the electorate was heavily inclined towards the Ulster Unionists, with no contests for the Westminster seat taking place at all in the interwar years.
Under the Representation of the People Act 1948, university constituencies at Westminster were abolished with effect at the 1950 United Kingdom general election.