A by-election was held for the New South Wales Legislative Assembly electorate of Wollondilly on 12 November 1938 because of the death of Mark Morton (United Australia). [1]
| Date | Event |
|---|---|
| 28 September 1938 | Mark Morton died. [1] |
| 17 October 1938 | Writ of election issued by the Speaker of the Legislative Assembly. [2] |
| 24 October 1938 | Nominations |
| 12 November 1938 | Polling day |
| 25 November 1938 | Return of writ |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| United Australia | Jeff Bate | 2,255 | 19.0 | ||
| Independent | Thomas Gilmore | 2,326 | 19.6 | ||
| Independent | Tom Mack | 1,918 | 16.2 | ||
| United Australia | Henry Morton | 1,509 | 12.7 | ||
| United Australia | Peter Loughlin | 1,379 | 11.6 | ||
| United Australia | Herbert Venables | 1,312 | 11.1 | ||
| United Australia | William Pickles | 603 | 5.1 | ||
| Ind. United Australia | Walter Moss | 503 | 4.2 | ||
| Independent | James Graham | 56 | 0.5 | ||
| Total formal votes | 11,861 | 93.7 | |||
| Informal votes | 804 | 6.4 | |||
| Turnout | 12,665 | 89.8 | |||
| Two-party-preferred result | |||||
| United Australia | Jeff Bate | 6,821 | 57.5 | ||
| Independent | Thomas Gilmore | 5,040 | 42.5 | ||
| United Australia hold | Swing | N/A | |||