title: 1966 Kooyong by-election
text: # 1966 Kooyong by-election
  
  A by-election was held for the Australian House of Representatives seat of Kooyong on 2 April 1966, following the resignation of Liberal Party MP and former Prime Minister Sir Robert Menzies on 16 February 1966.
  
  The by-election was won by Liberal candidate Andrew Peacock, although with a reduced majority.
  
  ## Results
  
  Kooyong by-election, 1966 :
  
  | Party | Party | Candidate | Votes | % | ±% |
  | - | - | - | - | - | - |
  | | Liberal | Andrew Peacock | 25,012 | 56.78 | -7.14 |
  | | Labor | William Cooper | 12,181 | 27.65 | +3.28 |
  | | Democratic Labor | Bernie Gaynor | 5,854 | 13.29 | +3.12 |
  | | Independent | Peter Brereton | 781 | 1.77 | +1.77 |
  | | Republican | Charles Cook | 220 | 0.50 | +0.50 |
  | Total formal votes | Total formal votes | Total formal votes | 44,048 | 97.98 | -0.95 |
  | Informal votes | Informal votes | Informal votes | 900 | 2.02 | +0.95 |
  | Turnout | Turnout | Turnout | 44,948 | 89.98 | -5.94 |
  | Two-party-preferred result ||||||
  | | Liberal | Andrew Peacock | | 69.4 | -4.7 |
  | | Labor | William Cooper | | 30.6 | +4.7 |
  | | Liberal hold | Liberal hold | Swing | -4.7 | |
  