1 The members for Ashburton (Septimus Burt), Bunbury (John Forrest), Fremantle (William Marmion) and Wellington (Harry Venn), upon being appointed as Ministers of the Crown, were required to resign their seats, which they did on 30 December 1890, and stand for their seats again at ministerial by-elections. All were unopposed, and were returned on 8 January 1891.
2 On 30 December 1890, at the first sitting of parliament, George Leake resigned from the seat of Roebourne, and Horace Sholl was returned unopposed at the resulting byelection on 16 January 1891.
4 In December 1891, Edward Scott resigned from the seat of Perth, and at the byelection on 12 January 1892, Thomas Molloy was elected to fill the vacancy.
5 On 4 July 1892, George Randell resigned from the seat of Moore, and Henry Lefroy was returned unopposed at the resulting byelection on 11 August 1892.
6 On 13 September 1892, David Symon resigned from the seat of South Fremantle, and at the byelection on 12 October 1892, Elias Solomon was elected to fill the vacancy.
7 On 5 October 1892, Stephen Henry Parker resigned from the seat of York, and Frederick Monger was returned unopposed at the resulting byelection on 27 October 1892.
^"Extraordinary Government Gazette (per CSO 4374; 2532/90)". Western Australia Government Gazette. 11 September 1890. p. 1890:669. *"Order by the Queen in Council (per CSO 4434)". Western Australia Government Gazette. 30 October 1890. p. 1890:805-808.
^"Proclamation (per CSO 4415)". Western Australia Government Gazette. 21 October 1890. p. 1890:785.
Black, David; Prescott, Valerie (1997). Election statistics, Legislative Assembly of Western Australia, 1890-1996. Perth: Parliamentary History Project. ISBN0-7309-8409-5.
Hughes, Colin A.; Graham, B. D. (1976). Voting for the South Australian, Western Australian and Tasmanian Lower Houses, 1890-1964. Canberra: Australian National University. ISBN0-7081-1334-6.