Prime Minister of the United Kingdom senior order of chivalry, the Order of the Garter. The practice of creating a retired Prime Minister a Knight (or, in the case of Margaret Thatcher, a Lady) of the Garter (KG and LG respectively) has been fairly prevalent since the mid-nineteenth century. Upon the retirement of a Prime Minister who is Scottish, it is likely that the primarily Scottish honour of Knight of the Thistle (KT) will be used instead of the Order of the Garter, which is generally regarded as an English honour. Historically it has also been common for Prime Ministers to be granted a peerage upon
Father of the House until soon before his death during April 1908. On 13 June 2017 Harriet Harman was dubbed "Mother of the House" by Prime Minister Theresa May, in recognition of her status as longest continuously serving woman MP. The title 'Father of the House' is not used in the House of Lords. The longest-serving member is recorded on the House website, though no duties or special distinctions are associated with the position , the longest serving member is The Lord Denham (Conservative), who first took his seat on 13 December 1949 (having suceeded his father in the peerage the previous year). The