William McKay (parliamentary official)
British government administrator, Clerk of the House of Commons / From Wikipedia, the free encyclopedia
Sir William Robert McKay, KCB (born 18 April 1939[1]) is a British administrator. He was Clerk of the House of Commons between 1998 and 2002, and was appointed in 2012 to chair the Commission on the consequences of devolution for the House of Commons, which reported the following year.