1859 Yass Plains colonial by-election

A by-election was held for the New South Wales Legislative Assembly electorate of Yass Plains on 15 September 1859 because Thomas Laidlaw resigned as he realised his role as deputy postmaster at Yass, on a salary of £20 a year, was an office of profit under the crown.

Result
Thomas Laidlaw resigned as he held the office of deputy postmaster at the time of his election.