A by-election was held for the New South Wales Legislative Assembly electorate of Argyle on 31 March 1885 because of the resignation of John Gannon resigned due to ill health. [1]
| Date | Event |
|---|---|
| 17 March 1888 | John Gannon resigned. [1] |
| 17 March 1885 | Writ of election issued by the Speaker of the Legislative Assembly. [2] |
| 27 March 1885 | Nominations |
| 31 March 1885 | Polling day |
| 7 April 1885 | Return of writ |
| Candidate | Votes | % | |
|---|---|---|---|
| Henry Parkes (elected) | 816 | 51.3% | |
| John Osborne | 775 | 48.7% | |
| Total formal votes | 1,591 | 97.5 | |
| Informal votes | 41 | 2.5 | |
| Turnout | 1,632 | 56.0 | |