South West Lancashire (UK Parliament constituency)

South West Lancashire was a county constituency of the House of Commons of the Parliament of the United Kingdom. It was represented by two Members of Parliament. The constituency was created by the Reform Act of 1867 by the splitting of the South Lancashire constituency into new South-East and South-West divisions.

The constituency was abolished by the Redistribution of Seats Act 1885, being divided into eight single member divisions of Bootle, Ince, Leigh, Newton, Ormskirk, St Helens, Southport and Widnes.

Boundaries
This constituency comprised the Lancashire hundred of West Derby except for the boroughs of Liverpool, Warrington and Wigan.

Members of Parliament

 * Constituency created (1868)

Elections in the 1870s
R. A. Cross sought re-election after being appointed as Home Secretary.

Charles Turner's death caused a by-election.

Elections in the 1880s
Cross was appointed Home Secretary, requiring a by-election.