title: 1939 Caerphilly by-election
text: # 1939 Caerphilly by-election
  
  The 1939 Caerphilly by-election was a parliamentary by-election held on 4 July 1939 for the British House of Commons constituency of Caerphilly.
  
  ## Previous MP
  
  Morgan Jones was the previous member of Parliament. He died on 23 April 1939. He was a conscientious objector during the First World War.
  
  ## Previous result
  
  General election 1935: Caerphilly :
  
  | Party | Party | Candidate | Votes | % | ±% |
  | - | - | - | - | - | - |
  | | Labour | Morgan Jones | 24,846 | 76.2 | +8.6 |
  | | Conservative | GT Stoneham | 7,738 | 23.8 | -8.6 |
  | Majority | Majority | Majority | 17,108 | 52.5 | +17.4 |
  | Turnout | Turnout | Turnout | 32,584 | 72.3 | -4.3 |
  | Registered electors | Registered electors | Registered electors | 45,057 | | |
  | | Labour hold | Labour hold | Swing | | |
  
  ## Candidates
  
  Ness Edwards was a coal miner and during the first world war, a conscientious objector. Ronald Bell was a barrister, and later became a politician.
  
  ## Result
  
  1939 Caerphilly by-election :
  
  | Party | Party | Candidate | Votes | % | ±% |
  | - | - | - | - | - | - |
  | | Labour | Ness Edwards | 19,847 | 68.0 | -8.2 |
  | | Conservative | Ronald Bell | 9,349 | 32.0 | +8.2 |
  | Majority | Majority | Majority | 10,498 | 36.0 | -16.6 |
  | Turnout | Turnout | Turnout | 29,196 | 68.4 | -3.9 |
  | Registered electors | Registered electors | Registered electors | 42,678 | | |
  | | Labour hold | Labour hold | Swing | | |
  
  ## Aftermath
  
  General election 1945: Caerphilly :
  
  | Party | Party | Candidate | Votes | % | ±% |
  | - | - | - | - | - | - |
  | | Labour | Ness Edwards | 29,158 | 80.2 | +4.0 |
  | | Conservative | John Frederick Manuel de Courcy | 7,189 | 19.8 | -4.0 |
  | Majority | Majority | Majority | 21,969 | 60.4 | +7.8 |
  | Turnout | Turnout | Turnout | 36,347 | 77.2 | +4.9 |
  | Registered electors | Registered electors | Registered electors | 47,078 | | |
  | | Labour hold | Labour hold | Swing | | |
  