| St Pancras South | |
|---|---|
| Former borough constituencyfor the House of Commons | |
| 1885–1918 | |
| Seats | One |
| Created from | Marylebone |
| Replaced by | St Pancras South East and St Pancras South West |
St. Pancras South was a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. It elected one Member of Parliament (MP) by the first-past-the-post system of election. It was created by the Redistribution of Seats Act 1885 for the 1885 general election and abolished for the 1918 general election.

| Election | Member | Party | |
|---|---|---|---|
| 1885 | Sir Julian Goldsmid | Liberal | |
| 1886 | Liberal Unionist | ||
| 1896 b-e | Herbert Jessel | Liberal Unionist | |
| 1906 | Philip Whitwell Wilson | Liberal | |
| Jan. 1910 | Herbert Jessel | Liberal Unionist | |
| 1918 | constituency abolished | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | Julian Goldsmid | 2,225 | 52.6 | ||
| Conservative | John Blundell Maple | 2,003 | 47.4 | ||
| Majority | 222 | 5.2 | |||
| Turnout | 4,228 | 78.9 | |||
| Registered electors | 5,357 | ||||
| Liberalwin (new seat) | |||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Julian Goldsmid | 1,915 | 68.1 | +20.7 | |
| Liberal | Edward John Beale[2] | 897 | 31.9 | −20.7 | |
| Majority | 1,018 | 36.2 | N/A | ||
| Turnout | 2,812 | 52.5 | −26.4 | ||
| Registered electors | 5,357 | ||||
| Liberal Unionistgain from Liberal | Swing | +20.7 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Julian Goldsmid | 2,470 | 54.9 | −13.2 | |
| Liberal | Edward John Beale[2] | 2,033 | 45.1 | +13.2 | |
| Majority | 437 | 9.8 | −26.4 | ||
| Turnout | 4,503 | 73.7 | +21.2 | ||
| Registered electors | 6,106 | ||||
| Liberal Unionisthold | Swing | −13.2 | |||

| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Julian Goldsmid | 2,433 | 66.5 | +11.6 | |
| Liberal | George Montagu Harris | 1,223 | 33.5 | −11.6 | |
| Majority | 1,210 | 33.0 | +23.2 | ||
| Turnout | 3,656 | 66.0 | −7.7 | ||
| Registered electors | 5,542 | ||||
| Liberal Unionisthold | Swing | +11.6 | |||
Goldsmid's death prompted a by-election.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Herbert Jessel | 2,631 | 65.7 | −0.8 | |
| Liberal | George Montagu Harris | 1,375 | 34.3 | +0.8 | |
| Majority | 1,256 | 31.4 | −1.6 | ||
| Turnout | 4,006 | 72.3 | +6.3 | ||
| Registered electors | 5,544 | ||||
| Liberal Unionisthold | Swing | −0.8 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Herbert Jessel | 2,273 | 67.1 | +0.6 | |
| Liberal | Norman Philip Hamilton | 1,113 | 32.9 | −0.6 | |
| Majority | 1,160 | 34.2 | +1.2 | ||
| Turnout | 3,386 | 57.4 | −8.6 | ||
| Registered electors | 5,894 | ||||
| Liberal Unionisthold | Swing | +0.6 | |||

| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | Philip Whitwell Wilson | 2,109 | 50.7 | +17.8 | |
| Liberal Unionist | Herbert Jessel | 2,048 | 49.3 | −17.8 | |
| Majority | 61 | 1.4 | N/A | ||
| Turnout | 4,157 | 78.0 | +20.6 | ||
| Registered electors | 5,329 | ||||
| Liberalgain from Liberal Unionist | Swing | +17.8 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Herbert Jessel | 2,750 | 58.8 | +9.5 | |
| Liberal | Philip Whitwell Wilson | 1,925 | 41.2 | −9.5 | |
| Majority | 825 | 17.6 | N/A | ||
| Turnout | 4,675 | 84.4 | +6.4 | ||
| Registered electors | 5,536 | ||||
| Liberal Unionistgain from Liberal | Swing | +9.5 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal Unionist | Herbert Jessel | 2,415 | 58.1 | −0.7 | |
| Liberal | Florance Montefiore Guedalla | 1,744 | 41.9 | +0.7 | |
| Majority | 671 | 16.2 | −1.4 | ||
| Turnout | 4,159 | 75.1 | −9.3 | ||
| Registered electors | 5,536 | ||||
| Liberal Unionisthold | Swing | −0.7 | |||
General Election 1914–15:
Another General Election was required to take place before the end of 1915. The political parties had been making preparations for an election to take place and by July 1914, the following candidates had been selected;