Alcester, DorsetAlcester is a village in the civil parish of Shaftesbury, in Dorset, England.HistoryAlcester was formerly a liberty in the parish of St. James Shaftesbury, within the parliamentary borough of Shaftesbury, but without the municipal borough, Dorset. Pop., 342. Houses, 76. On 31 December 1894 Alcester became a separate civil parish, on 9 November 1921 the parish was abolished and merged with Shaftesbury. In 1921 the parish had a population of 291.