A by-election was held for the New South Wales Legislative Assembly electorate of Newcastle on 12 October 1889 because of the resignation of William Grahame who had financial difficulties.[1]
| Date | Event | |
|---|---|---|
| 3 October 1889 | William Grahame made bankrupt,[2] and resigned. | |
| 4 October 1889 | Writ of election issued by the Speaker of the Legislative Assembly.[3] | |
| 10 October 1889 | Day of nomination | |
| 12 October 1889 | Polling day | |
| 24 October 1889 | Return of writ |