1866 Clarence colonial by-election

A by-election was held for the New South Wales Legislative Assembly electorate of the Clarence on 27 August 1866 following the resignation of John Laycock.

Candidates

 * John Robertson had been appointed Secretary for Lands but had been defeated at the resulting 1866 West Sydney by-election.


 * Alexander MacKellar had been the second placed candidate at the 1859 election for The Clarence receiving 30.3% of the vote.

Results
John Laycock resigned.