A by-election was held for the New South Wales Legislative Assembly electorate of Murray on 5 August 1872 because of the resignation of Patrick Jennings.[1] William Hay was elected with 61% of the vote.
| Date | Event | |
|---|---|---|
| 25 June 1872 | Patrick Jennings resigned. | |
| 26 June 1872 | Writ of election issued by the Speaker of the Legislative Assembly and close of electoral rolls.[2] | |
| 22 July 1872 | Nominations | |
| 5 August 1872 | Polling day | |
| 31 August 1872 | Return of writ |