The constituency was created for the 1918 general election, as one of two divisions of the Parliamentary County of Stirling and Clackmannan. It was then defined as the Central and Western County Districts of the County of Stirling including all burghs within their boundaries, save for the Burgh of Stirling."Report of the Boundary Commission (Scotland)", Cd. 8759, Schedule–Part I, section 21. From 1950 onwards, due to local government changes, it was defined as the Burghs of Bridge of Allan, Denny and Dunipace and the Central No. 1, Central No. 2, Western No. 1, Western No. 2 and Western No. 3 Districts of the County of Stirling."Initial Report of the Boundary Commission for Scotland", Cmd. 7270, p. 26.
