Lord Mayor of London been mandatory for election to the Lord Mayoralty. Two Sheriffs are selected annually by Common Hall, which meets on Midsummer's Day for this purpose. By an ordinance of 1435, the Lord Mayor must be chosen from amongst the Aldermen of the City of London. Those on the electoral roll of each of the City's 25 Wards select one Alderman, who formerly held office for life or until resignation. Now each Alderman must submit for re-election at least once in every six years. The Lord Mayor is then sworn in November, on the day before the Lord Mayor's Show ("see below").
John Gayer (Lord Mayor of London) John Gayer (Lord Mayor of London) John Gayer or Gayre (died 20 July 1649) was an English merchant who was Lord Mayor of London in 1646. He was born in Plymouth, eldest son of John Gayer senior, a merchsnt, and Margaret Trelawney. Both his parents were Cornish by birth: the Gayer family came originally from Liskeard. Gayer moved to London, and at one stage of his career spent some years in Syria, where a strange event later led him to institute the Lion Sermon. He became a city of London merchant and a member of the Worshipful Company of Fishmongers.