The Edinburgh South by-election of 29 March 1957 was held after the resignation of Conservative Party MP William Darling[1]:
The seat was safe, having been won by Lloyd George at the United Kingdom general election, 1955 by over 13,000 votes[2]
| General Election 1955: Edinburgh South | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Conservative | W Darling | 24,836 | 67.52 | ||
| Labour | JA Forsyth | 11,949 | 32.48 | ||
| Majority | 12,887 | 35.08 | - | ||
| By-election 1957: Edinburgh South | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Conservative | Michael Clark Hutchison | 14,421 | 45.58 | -21.94 | |
| Labour | JA Forsyth | 9,781 | 30.91 | -1.57 | |
| Liberal | William Douglas-Home | 7,439 | 39.65 | N/A | |
| Majority | 4,640 | ||||
| Conservative hold | Swing | ||||
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