Lanark (UK Parliament constituency)

Lanark was a county constituency of the House of Commons of the Parliament of the United Kingdom (Westminster) from 1918 to 1983. It elected one Member of Parliament (MP) by the first past the post voting system.

There was also an earlier Lanark Burghs constituency, from 1708 to 1832.

Boundaries
From 1918 the constituency consisted of "The Upper Ward County District, inclusive of all burghs situated therein, together with the part of the Middle Ward County District which is contained within the parishes of Avondale, East Kilbride, Glassford, and Stonehouse."

The Representation of the People Act 1948 provided that the constituency was to consist of "(i) The burghs of Biggar and Lanark; and (ii) the first, second and third districts and, so far as not included in the Hamilton constituency, the fourth and fifth districts."

Elections in the 1920s