The by-election was caused by the death of John Dacey.[8]Simon Hickey was Dacey's son-in-law. William Ferguson was a former member for Sturt who had been a member of Labor until switching to Liberal reform in 1904.[6]
Alexandria was a new seat, comprising parts of the seat of Botany and the abolished seats of Darlington, Newtown-Erskine and Waterloo. John Dacey was the member for Botany who had lost Labour pre-selection for that seat, while George Anderson was the member for the abolished seat of Waterloo. The member for Darlington was Phillip Sullivan (Labour) who successfully contested Phillip while the member for Newtown-Erskine was Robert Hollis (Labour) who successfully contested Newtown.
Notes
^estimate based on an electoral roll of 9,721 at the 1910 election.[7]