1910 Darling Harbour state by-election
A by-election was held for the New South Wales Legislative Assembly electorate of Darling Harbour on 13 April 1910. The by-election was triggered by the resignation of John Norton () to unsuccessfully contest 1910 federal Senate election for NSW. The by-election and those for Queanbeyan and Upper Hunter were held on the same day as the 1910 Federal election. Results. <includeonly> John Norton () resigned to unsuccessfully contest the 1910 federal Senate election for NSW.</includeonly>