1915 Castlereagh state by-election
# 1915 Castlereagh state by-election

A by-election was held for the New South Wales Legislative Assembly electorate of Castlereagh on 20 February 1915 following the death of John Treflé (Labor).

## Dates

| Date | Event |
| - | - |
| 11 January 1915 | John Treflé died. |
| 28 January 1915 | Writ of election issued by the Speaker of the Legislative Assembly. |
| 6 February 1915 | Nominations |
| 20 February 1915 | Polling day, between the hours of 8 am and 6 pm |
| 9 March 1915 | Return of writ |

## Result

1915 Castlereagh by-election Saturday 20 February :

| Party | Party | Candidate | Votes | % | ±% |
| - | - | - | - | - | - |
| | Labor | Guy Arkins | 3,214 | 57.6 | +5.2 |
| | Farmers and Settlers | Harold Blackett | 2,369 | 42.4 | -5.2 |
| Total formal votes | Total formal votes | Total formal votes | 5,583 | 100.0 | +3.0 |
| Informal votes | Informal votes | Informal votes | 0 | 0.0 | -3.0 |
| Turnout | Turnout | Turnout | 5,583 | 52.8 | -18.2 |
| | Labor hold | Labor hold | Swing | +5.2 | |
