Records of Prime Ministers of the United Kingdom The tallest Prime Minister is believed to be Lord Salisbury, who was around in height, although Downing Street's own website lists James Callaghan as the tallest. The longest personal name held by a British Prime Minister was that of Lord Derby whose three forenames and double-barreled surnameEdward George Geoffrey Smith-Stanleytotal 32 letters. The shortest baptismal names, each 10 letters long, were held by Lord Bute who was plain John Stuart, and Sir Robert Peel. John Major was baptised "John Roy Major" but his birth certificate simply read "John Major", and so his legal name has only nine letters. (He used
Prime Minister of Canada the First World War, around the time of Robert Borden's premiership. While contemporary sources will still speak of early prime ministers of Canada as "premier", the modern practice is such that the federal head of government is known almost exclusively as the "prime minister", while the provincial and territorial heads of government are termed "premiers" (save for within Quebec and New Brunswick, where the premiers are addressed in French as "Premier ministre du [province]", literally translated as "Prime Minister of [province]"). The Prime Minister–designate of Canada refers to the person who has been designated as the future prime minister by