Conservatives won the seat in 1970 when the sitting Labour MP Desmond Donnelly left the party and formed The Democratic party. Donnelly lost the seat but polled well. In subsequent elections the Conservative vote held up, tending to suggest that Donnelly had held the seat with large majorities for Labour based on his own popularity as much as being the Labour candidate. Boundaries The constituency was established with the boundaries of the county of Pembrokeshire, but by the time of abolition Fishguard and Northern Pembrokeshire had been joined to the neighbouring Cardigan (UK Parliament constituency) constituency to form Ceredigion and Pembroke North, which was captured by Plaid Cymru in 1992. This left Pembrokeshire with the major towns of Haverfordwest, Milford Haven, Pembroke Dock and Tenby. Members of Parliament MPs 1545–1601 MPs 1601–1832 MPs 1832–1997 Elections Elections in the 1830s Owen's elected was declared void on petition, causing a by-election. Elections in the 1840s Elections in the 1850s Elections in the 1860s Campbell succeeded to the peerage, becoming Earl Cawdor and causing a by-election. Phillips' death caused a by-election. Elections in the 1870s Scourfield's death caused a by-election. Elections in the 1880s Elections in the 1890s Davies resigned after being appointed Attorney general of the Bahamas, requiring a by-election. Elections in the 1900s Elections in the 1910s General Election 1914–15: 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; Liberal: Walter Roch Unionist: Edward Marlay Samson Elections in the 1920s Elections in the 1930s opposed to National Government. Elections in the 1940s 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; Liberal: Gwilym Lloyd George Labour: William James Jenkins Supported the National Government. The Liberal Party had left the war coalition. Elections in the 1950s Elections in the 1960s Elections in the 1970s Elections in the 1980s Elections in the 1990s References Sources The House of Commons 1509–1558, by S.T. Bindoff (Secker & Warburg 1982) Politics of Pembrokeshire Historic parliamentary constituencies in South Wales Constituencies of the Parliament of the United Kingdom established in 1536 Constituencies of the