 Donald Allister, who was the Archdeacon of Chester in the Diocese of Chester from 2002 to 2010, was consecrated as a bishop on 25 March 2010 at St Paul's Cathedral by Rowan Williams, Archbishop of Canterbury and was installed at Peterborough Cathedral on 17 April 2010.As parts of the City of Peterborough are actually in the Diocese of Ely (those parishes south of the River Nene), the last Bishop of Peterborough was appointed as an assistant bishop in the Diocese of Ely with pastoral care for these parishes delegated to him by the Bishop of Ely.Chronological list of the bishops of the Diocese of Peterborough, England

Among those called "Assistant Bishop of Peterborough" were