A by-election for the seat of Illawarra in the New South Wales Legislative Assembly was held on 3 October 1891 because the Elections and Qualifications Committee declared that the election of John Nicholson and Andrew Lysaght Sr. at the election for Illawarra in June was void because of there were insufficient printed ballot papers and handwritten papers were used.
Dates Date Event 24 June 1891 Illawarra election. 11 July 1891 Alexander Artis filed a petition against the election. 16 September 1891 Illawarra by-election declared void. 22 September 1891 Writ of election issued by the Speaker of the Legislative Assembly. 28 September 1891 Nominations 3 October 1891 Polling day 19 October 1891 Return of writ
Result
| colspan="2" | hold 1 | rowspan="2" colspan="3" style="text-align:center;" |
| colspan="2" | gain 1 from
The election of John Nicholson and Andrew Lysaght Sr. at the election for Illawarra in June was declared void.
See also Electoral results for the district of Illawarra List of New South Wales state by-elections
References