General Purpose Authorities

Sir John Thwaites (December 22, 1855 - August 8, 1870) (died in office)
James Macnaghten Hogg (November 18, 1870 - March 21, 1889) Chairmen of the Metropolitan Board of Works
The post of Leader was only officially recognised in 1933. This table gives the Leaders of the majority parties on the council before this time, although in the first term this had little relevance in terms of the leadership of the Council.

Sir Thomas Farrer (March 21, 1889 - March 27, 1890)
James Stuart (March 27, 1890 - March 9, 1892)
Charles Harrison (March 9, 1892 - March 10, 1898)
Thomas McKinnon Wood (March 10, 1898 - March 8, 1907)
Richard Robinson (March 8, 1907 - March 11, 1908)
Hon. William Wellesley Peel (March 11, 1908 - March 8, 1910)
William Hayes Fisher (March 8, 1910 - December 19, 1911)
Cyril Jackson (December 19, 1911 - March 16, 1915)
Ronald Collett Norman (March 16, 1915 - March 1, 1918)
Sir George Hume (March 1, 1918 - March 11, 1925)
Sir William Ray (March 11, 1925 - March 9, 1934)
Herbert Morrison (March 9, 1934 - May 27, 1940)
Lord Latham (May 27, 1940 - July 29, 1947)
Sir Isaac Hayward (July 29, 1947 - March 31, 1965) Leaders of the London County Council

Bill Fiske (April 11, 1964 - April 14, 1967)
Desmond Plummer (April 14, 1967 - April 13, 1973)
Sir Reg Goodwin (April 13, 1973 - May 6, 1977)
Sir Horace Cutler (May 6, 1977 - May 8, 1981)
Ken Livingstone (May 8, 1981 - August 2, 1984)
John Wilson (August 2, 1984 - September 21, 1984)
Ken Livingstone (September 21, 1984 - March 31, 1986) Leaders of the Greater London Council

Ken Livingstone (May 4, 2000 - ) Special Purpose Authorities

Dr. William Brewer (June 22, 1867 - November 3, 1881) (died in office)
Sir Edwin Galsworthy (November 26, 1881 - May 18, 1901)
Sir Robert Hensley (May 18, 1901 - May 19, 1904)
Sir Augustus Scovell (May 19, 1904 - May 25, 1907)
J. T. Helby (May 25, 1907 - May 28, 1910)
Walter Dennis (May 28, 1910 - May 31, 1913)
Sir Robert Woolley Walden (May 31, 1913 - May 24, 1919)
Very Rev. Canon Norman Sprankling (May 24, 1919 - May 20, 1922)
Walter Eickhoff (May 20, 1922 - July 24, 1924) (died in office)
Sir Francis Morris (July 31, 1924 - May 19, 1928)
Viscount Doneraile (May 19, 1928 - April 1, 1930) Chairmen of the London School Board

Sir Godfrey 'Tag' Taylor (July 26, 1985 - June 30, 1996)