While only the Australian Labor Federation stood as a party, the fall of Philp's government and the rise of prominent Liberal Arthur Morgan in 1903 produced a realignment of non-Labour MLAs into liberal and conservative groupings.
1 On 16 June 1902, Charles Hastings Barton, the newly elected Labour member for Maryborough, died before taking his seat. Ministerial candidate Henry Garde won the resulting by-election on 3 July 1902.
2 On 18 June 1902, Samuel Grimes, the Ministerial member for Oxley, died. Ministerial candidate Digby Denham won the resulting by-election on 3 July 1902.
4 On 4 March 1903, William O'Connell, the Ministerial member for Musgrave, died. Ministerial candidate John White won the resulting by-election on 4 April 1903.
5 On 16 September 1903, Francis Kates, the Ministerial member for Cunningham, died. Ministerial candidate Duncan Watson won the resulting by-election on 29 October 1903.