A by-election was held for the New South Wales Legislative Assembly electorate of Tumut on 10 May 1860 because of the resignation of George Lang.
[1] The by-election was overturned by the Election and Qualifications Committee due to voting irregularities.
[3] While Daniel Deniehy was declared elected he was also elected at the East Macquarie by-election held on the same day,[4] Deniehy took his seat as the member for East Macquarie and doesn't appear in the records kept by the Legislative Assembly as a member for Tumut.
[5][6]