Preston, Lancashire after 1948, Preston became home to a significant number of Asian and Caribbean Commonwealth immigrants, who mostly worked in the manufacturing industry. However, an economic decline hit the town once again in the 1970s, capped by the closure of the Courtaulds factory in 1979 (nearly 3,000 job losses) and the decline of the docks on the River Ribble, which finally closed in 1981. Mass unemployment was firmly back in Preston by the early 1980s, although it was now very much a national crisis due to the recession of that time. The rehousing of families from town centre slums to new
William Preston (British politician) sitting Liberal MP, Patrick Collins. However, following his election, it was discovered that Preston had received payments for two small contracts to supply electrical fittings to the Post Office Stores Department. As a government contractor, Preston was ineligible to stand for parliament, and his election was declared void. Having overcome his legal difficulties, Preston was selected as Conservative candidate at the ensuing by-election. The poll was held on 27 February, and Preston was elected ahead of Liberal and Labour candidates, with a similar majority to that gained at the 1924 election. Preston was only a member of the House of