Harrow was a constituency of the House of Commons of the UK Parliament 1885—1945 in Middlesex, a traditional county; it covered an area forming part of the north-west of today's Greater London. It returned one Member of Parliament (MP).
Leeds North was a borough constituency in the city of Leeds, West Yorkshire, which returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post voting system.
Goronwy "Ronw" Moelwyn Hughes, KC, known as Moelwyn Hughes was a Welsh lawyer and a Liberal and Labour politician who was elected to two short terms as a Member of Parliament (MP).
William John was a Welsh Labour Party politician, and a Member of Parliament (MP) for thirty years.
The 1924 Holland with Boston by-election was a by-election held on 31 July 1924 for the British House of Commons constituency of Holland with Boston in Lincolnshire.
The 1931 Islington East by-election was a parliamentary by-election held on 19 February 1931 for the House of Commons constituency of Islington East in Islington, North London.
Horace Evelyn Crawfurd was a Liberal Party politician in the United Kingdom.
The 1945 Newport by-election was a parliamentary by-election held on 17 May 1945 for the British House of Commons constituency of Newport in Monmouthshire. It was the last by-election of the 1935–1945 Parliament.
The 1933 Rhondda East by-election was a parliamentary by-election held on 28 March 1933 for the British House of Commons constituency of Rhondda East in Wales.
The 1942 Rothwell by-election was a parliamentary by-election held on 7 August 1942 for the House of Commons constituency of Rothwell in West Yorkshire.
The 1939 Monmouth by-election was a by-election held for the British House of Commons constituency of Monmouth in Wales on 25 July 1939.
Horsham and Worthing was a county constituency in West Sussex, centred on the towns of Horsham and Worthing in West Sussex. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.
The 1925 Stockport by-election was a by-election held for the British House of Commons constituency of Stockport in Cheshire on 17 September 1925. The by-election was won by the Labour Party candidate Arnold Townend.
The 1926 Darlington by-election was a by-election held on 17 February 1926 for the British House of Commons constituency of Darlington in County Durham.
The 1942 Poplar South by-election was a by-election held on 12 August 1942 for the British House of Commons constituency of Poplar South, which covered the Isle of Dogs and Poplar in the Metropolitan Borough of Poplar.
Sir Gwilym Rowlands was a Welsh Conservative Party politician.
John William Wilson, PC, JP was a British chemical manufacturer and politician who served for 27 years as a member of parliament (MP), initially as Liberal Unionist and then as a Liberal.
Alexander Claude Forster Boulton was a British Liberal Party politician whose career in the House of Commons lasted barely four years.
The 1907 Kingston upon Hull West by-election was a parliamentary by-election held in England for the House of Commons constituency of Kingston upon Hull West on 11 November 1907.
The 1913 Wandsworth by-election was a Parliamentary by-election held on 12 June 1913. The constituency returned one Member of Parliament (MP) to the House of Commons of the United Kingdom, elected by the first past the post voting system.
