# Cardiff South (UK Parliament constituency)

Cardiff South was a borough constituency in Cardiff, Wales. It returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom.
The constituency was created for the 1918 general election, and abolished for the 1950 general election. Its final MP was Labour's James Callaghan, elected in 1945 at the age of 33, who would go on to serve the party until 1987, including a spell as prime minister from 1976 to 1979 after several roles in the governments of Harold Wilson.

## Boundaries

The County Borough of Cardiff wards of Adamsdown, Grangetown, and South, and the Urban District of Penarth.

## Members of Parliament

| Election | Election | Member | Party |
| | 1918 | James Cory | Unionist |
| | 1923 | Arthur Henderson Jr. | Labour |
| | 1924 | Arthur Evans | Unionist |
| | 1929 | Arthur Henderson Jr. | Labour |
| | 1931 | Arthur Evans | Conservative |
| | 1945 | James Callaghan | Labour |
| 1950 | 1950 | constituency abolished | constituency abolished |

## Election results
### Elections in the 1910s

General election 1918: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Unionist | James Herbert Cory | 7,922 | 48.5 | |
| | Labour | Joshua Thomas Clatworthy | 4,303 | 26.3 | |
| | Liberal | Edward Curran | 4,126 | 25.2 | |
| Majority | Majority | Majority | 3,619 | 22.2 | |
| Turnout | Turnout | Turnout | 16,351 | 57.8 | |
| | Unionist win (new seat) | Unionist win (new seat) | Unionist win (new seat) | Unionist win (new seat) | Unionist win (new seat) |

### Elections in the 1920s

General election 1922: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Unionist | Sir James Herbert Cory | 7,929 | 36.4 | −12.1 |
| | Liberal | Bernard Cyril Freyberg | 6,996 | 32.2 | +7.0 |
| | Labour | David Graham Pole | 6,831 | 31.9 | +5.6 |
| Majority | Majority | Majority | 933 | 4.2 | −18.0 |
| Turnout | Turnout | Turnout | 21,756 | 74.9 | +17.1 |
| | Unionist hold | Unionist hold | Swing | -9.5 | |
General election 1923: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | Arthur Henderson | 7,899 | 37.9 | +6.0 |
| | Unionist | Sir James Herbert Cory | 7,473 | 35.8 | −0.6 |
| | Liberal | Walter Thomas Layton | 5,474 | 26.3 | −5.9 |
| Majority | Majority | Majority | 426 | 2.1 | N/A |
| Turnout | Turnout | Turnout | 20,846 | 70.6 | −4.3 |
| | Labour gain from Unionist | Labour gain from Unionist | Swing | +3.3 | |
General election 1924: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Unionist | Henry Arthur Evans | 11,542 | 49.8 | +14.0 |
| | Labour | Arthur Henderson | 9,324 | 40.3 | +2.4 |
| | Liberal | David Evans George Davies | 2,287 | 9.9 | −16.4 |
| Majority | Majority | Majority | 2,218 | 9.5 | N/A |
| Turnout | Turnout | Turnout | 23,253 | 78.8 | +8.2 |
| | Unionist gain from Labour | Unionist gain from Labour | Swing | +5.8 | |
General election 1929: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | Arthur Henderson | 13,686 | 45.3 | +5.0 |
| | Unionist | E T Nethercoat | 10,030 | 33.1 | −16.7 |
| | Liberal | C J Cole | 6,550 | 21.6 | +11.7 |
| Majority | Majority | Majority | 3,656 | 12.2 | N/A |
| Turnout | Turnout | Turnout | 30,266 | 79.4 | +0.6 |
| | Labour gain from Unionist | Labour gain from Unionist | Swing | +11.1 | |

### Elections in the 1930s

General election 1931: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Henry Arthur Evans | 17,976 | 59.8 | +26.7 |
| | Labour | Arthur Henderson | 12,092 | 40.2 | −5.1 |
| Majority | Majority | Majority | 5,884 | 19.6 | N/A |
| Turnout | Turnout | Turnout | 30,068 | 77.8 | −1.6 |
| Registered electors | Registered electors | Registered electors | 38,659 | | |
| | Conservative gain from Labour | Conservative gain from Labour | Swing | | |
General election 1935: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Henry Arthur Evans | 14,925 | 50.9 | −8.9 |
| | Labour | Harry Louis Nathan | 14,384 | 49.1 | +8.9 |
| Majority | Majority | Majority | 541 | 1.8 | −17.8 |
| Turnout | Turnout | Turnout | 29,309 | 75.8 | −2.0 |
| Registered electors | Registered electors | Registered electors | 38,461 | | |
| | Conservative hold | Conservative hold | Swing | | |
General Election 1939–40: Another General Election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place and by the Autumn of 1939, the following candidates had been selected;
* Conservative: Henry Arthur Evans
* Labour: Sir William Allen Jowitt

### Elections in the 1940s

General election 1945: Cardiff South :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | James Callaghan | 17,489 | 60.2 | +11.1 |
| | Conservative | Arthur Evans | 11,545 | 39.8 | −11.1 |
| Majority | Majority | Majority | 5,944 | 20.4 | N/A |
| Turnout | Turnout | Turnout | 29,034 | 73.9 | −1.9 |
| Registered electors | Registered electors | Registered electors | 39,220 | | |
| | Labour gain from Conservative | Labour gain from Conservative | Swing | | |