A by-election was held for the New South Wales Legislative Assembly electorate of Cobar on 11 May 1918 because of the death of Charles Fern (). Dates Result The by-election was caused by the death of Charles Fern (). See also Electoral results for the district of Cobar List of New South Wales state by-elections References 1918 elections in Australia New South Wales state by-elections 1910s in New South Wales