Londonderry (Northern Ireland Parliament constituency)

Londonderry
Former County Constituency for the Parliament of Northern Ireland
Londonderry shown within Northern Ireland
Former constituency
Created	1921
Abolished	1929
Election method	Single transferable vote

Coordinates: 54°55′19″N 6°57′11″W / 54.922°N 6.953°W / 54.922; -6.953

Londonderry was a county constituency of the Parliament of Northern Ireland from 1921 - 1929. It returned five MPs, using the single transferable vote method of proportional representation.

Londonderry consisted of the entirety of County Londonderry, including the County Borough of Londonderry. In 1929, the constituency was divided into the City of Londonderry, Foyle, Mid Londonderry, North Londonderry and South Londonderry constituencies.

Londonderry was a predominantly Unionist area with a substantial Nationalist minority, electing three Unionists, one Nationalist and one Sinn Féin member in 1921 and three Unionists and two Nationalists in 1925.