[3][4] New South Wales colonial election, 13 January 1858 – 12 February 1858Legislative Assembly << 1856–1859 >> The sitting member Clark Irving unsuccessfully contested Northumberland and Hunter.
The returning officer stated that the lack of a mail service to northern parts of the district, being Gladstone, Rannes and Surat meant that no polling had occurred in those places.
[27] The sitting member Edward Flood successfully contested Cumberland (South Riding).
James Pye petitioned against the election alleging his supporters had been intimidated from voting, however this was dismissed as unproven.
The sitting member Thomas Holt unsuccessfully contested Cumberland (South Riding).