This is a list of councillors and aldermen elected to the London County Council from 1919 to 1937.
In 1919 triennial elections to the London County Council resumed. The elections due in 1916 had been postponed due to the First World War, and vacancies had been filled by co-option.
The size of the council was increased to 124 councillors and 20 aldermen from 1919. The councillors were elected for electoral divisions corresponding to the new parliamentary constituencies that had been created by the Representation of the People Act 1918. Seven women were elected in 1919.
Geoffrey Head (elected unopposed 1 December 1919)
William Hall (elected 28 June 1921)
Frank Geere Howard (elected unopposed 4 March 1926)
Frederick E Williams (elected unopposed 14 July 1927)
Frederick Leigh-Pollitt (elected unopposed 28 October 1926)
Thomas John Blacketer (elected unopposed 11 January 1926)
J O Devereux (elected 13 May 1920)
Cyril Henry Montague Jacobs (elected 2 May 1921)
Captain Frederic Bertram Galer (elected unopposed 9 May 1921)
¶ Previously an alderman.
In addition to the 124 councillors the council consisted of 20 county aldermen. Aldermen were elected by the council, and served a six-year term. Half of the aldermanic bench (nine or ten aldermen) were elected every three years following the triennial council election.
The strength of the parties on the council after each election was as follows:
William Phené Neal (elected unopposed 4 April 1930)
Basil Futvoye Marsden-Smedley (elected unopposed 23 February 1933)
Sidney Charles Harper
(elected at byelection 14 July 1932)
Angela, Countess of Limerick
(elected unopposed 30 January 1936)
Frank Stanley Henwood (elected at byelection 13 March 1930)
John Temple Scriven (elected 6 February 1930)
David Morgan Adams (elected unopposed 16 April 1930)
George Russell Strauss (elected at by-election 2 July 1932)
Dr Somerville Hastings (elected at by-election 27 July 1932)
Bertram Wagstaff Mills (elected at by-election 22 October 1934)