1885–1918: The Municipal Borough of Preston, the Sessional Divisions of Amounderness and Kirkham, and part of the Sessional Division of Leyland.
1918–1945: The County Borough of Blackpool, the Urban Districts of Bispham with Norbreck, Lytham, and St Anne's-on-Sea, and part of the parish of Carleton.
Another General Election was required to take place before the end of 1915. The political parties had been making preparations for an election to take place and by the July 1914, the following candidates had been selected;
General Election 1939–40:
Another General Election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected;