# Electoral results for the district of Wollondilly

Wollondilly, an electoral district of the Legislative Assembly in the Australian state of New South Wales, has had two incarnations, the first from 1904 to 1981 and the second from 2007 to the present. It returned 3 members between 1920 and 1927.

## Members

First incarnation (1894–1981) :
| Election | Member | Member | Party |
| 1904 | | William McCourt | Liberal Reform |
| 1907 | | William McCourt | Liberal Reform |
| 1910 | | William McCourt | Liberal Reform |
| 1913 | | William McCourt | Liberal Reform |
| 1913 by | | Frank Badgery | Liberal Reform |
| 1915 by | | Sir George Fuller | Liberal Reform |
| 1917 | | Sir George Fuller | Nationalist | Member | Member | Party | Member | Member | Party |
| 1920 | | Sir George Fuller | Nationalist | | Billy Davies | Labor | | John Cleary | Labor |
| 1922 | | Sir George Fuller | Nationalist | | Billy Davies | Labor | | Mark Morton | Nationalist |
| 1925 | | Sir George Fuller | Nationalist | | Billy Davies | Labor | | Andrew Lysaght | Labor |
| 1927 | | Sir George Fuller | Nationalist |
| 1928 by | | Mark Morton | Nationalist |
| 1930 | | Mark Morton | Nationalist |
| 1932 | | Mark Morton | United Australia |
| 1935 | | Mark Morton | United Australia |
| 1938 | | Mark Morton | United Australia |
| 1938 by | | Jeff Bate | United Australia |
| 1941 | | Jeff Bate | United Australia |
| 1944 | | Jeff Bate | Democratic |
| 1947 | | Jeff Bate | Liberal |
| 1950 by | | Blake Pelly | Liberal |
| 1953 | | Blake Pelly | Liberal |
| 1956 | | Blake Pelly | Liberal |
| 1957 by | | Tom Lewis | Liberal |
| 1959 | | Tom Lewis | Liberal |
| 1962 | | Tom Lewis | Liberal |
| 1965 | | Tom Lewis | Liberal |
| 1968 | | Tom Lewis | Liberal |
| 1971 | | Tom Lewis | Liberal |
| 1973 | | Tom Lewis | Liberal |
| 1976 | | Tom Lewis | Liberal |
| 1978 | | Bill Knott | Labor |
| Second incarnation (2007–present) ||||
| Election | Member | Member | Party |
| 2007 | | Phil Costa | Labor |
| 2011 | | Jai Rowell | Liberal |
| 2015 | | Jai Rowell | Liberal |
| 2019 | | Nathaniel Smith | Liberal |
| 2023 | | Judy Hannan | Independent |

## Election results
### Elections in the 2020s
#### 2023

2023 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Nathaniel Smith | 17,712 | 33.8 | −4.7 |
| | Independent | Judy Hannan | 13,586 | 25.9 | +6.1 |
| | Labor | Angus Braiden | 11,505 | 22.0 | +6.9 |
| | One Nation | Rebecca Thompson | 6,158 | 11.8 | +0.7 |
| | Greens | Jason Webster | 2,616 | 5.0 | −0.6 |
| | Sustainable Australia | Ildiko Haag | 792 | 1.5 | +1.5 |
| Total formal votes | Total formal votes | Total formal votes | 52,369 | 96.9 | +0.4 |
| Informal votes | Informal votes | Informal votes | 1,698 | 3.1 | −0.4 |
| Turnout | Turnout | Turnout | 54,067 | 90.5 | −0.2 |
| Notional two-party-preferred count ||||||
| | Liberal | Nathaniel Smith | 22,300 | 55.0 | −9.1 |
| | Labor | Angus Braiden | 18,212 | 45.0 | +9.1 |
| Two-candidate-preferred result ||||||
| | Independent | Judy Hannan | 21,588 | 51.5 | +7.5 |
| | Liberal | Nathaniel Smith | 20,312 | 48.5 | −7.5 |
| | Independent gain from Liberal | Independent gain from Liberal | Swing | +7.5 | |

### Elections in the 2010s
#### 2019

2019 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Nathaniel Smith | 19,351 | 37.95 | −20.00 |
| | Independent | Judy Hannan | 10,258 | 20.12 | +20.12 |
| | Labor | Jo-Ann Davidson | 7,723 | 15.15 | −9.08 |
| | One Nation | Charlie Fenton | 5,712 | 11.20 | +11.20 |
| | Shooters, Fishers, Farmers | Jason Bolwell | 3,235 | 6.34 | +6.34 |
| | Greens | David Powell | 2,847 | 5.58 | −2.80 |
| | Animal Justice | Heather Edwards | 1,326 | 2.60 | +2.60 |
| | Liberal Democrats | Mitchell Black | 537 | 1.05 | +1.05 |
| Total formal votes | Total formal votes | Total formal votes | 50,989 | 96.35 | +0.11 |
| Informal votes | Informal votes | Informal votes | 1,934 | 3.65 | −0.11 |
| Turnout | Turnout | Turnout | 52,923 | 92.21 | −0.69 |
| Two-party-preferred result ||||||
| | Liberal | Nathaniel Smith | 22,925 | 63.83 | −3.46 |
| | Labor | Jo-Ann Davidson | 12,988 | 36.17 | +3.46 |
| Two-candidate-preferred result ||||||
| | Liberal | Nathaniel Smith | 21,113 | 55.50 | −11.80 |
| | Independent | Judy Hannan | 16,931 | 44.50 | +44.50 |
| | Liberal hold | Liberal hold | Swing | −11.80 | |

#### 2015

2015 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Jai Rowell | 27,345 | 58.0 | +2.1 |
| | Labor | Ciaran O'Brien | 11,429 | 24.2 | +5.3 |
| | Greens | Patrick Darley-Jones | 3,957 | 8.4 | +1.1 |
| | Independent | Lynette Styles | 1,821 | 3.9 | +3.9 |
| | Christian Democrats | Susan Pinsuti | 1,559 | 3.3 | −0.2 |
| | No Land Tax | Maria Foia | 1,073 | 2.3 | +2.3 |
| Total formal votes | Total formal votes | Total formal votes | 47,184 | 96.2 | +0.5 |
| Informal votes | Informal votes | Informal votes | 1,844 | 3.8 | −0.5 |
| Turnout | Turnout | Turnout | 49,028 | 92.9 | −0.2 |
| Two-party-preferred result ||||||
| | Liberal | Jai Rowell | 28,795 | 67.3 | −4.3 |
| | Labor | Ciaran O'Brien | 13,994 | 32.7 | +4.3 |
| | Liberal hold | Liberal hold | Swing | −4.3 | |

#### 2011

2011 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Jai Rowell | 22,632 | 49.9 | +10.6 |
| | Labor | Phil Costa | 11,558 | 25.5 | -18.8 |
| | Hatton's Independent Team | Judy Hannan | 4,971 | 11.0 | +11.0 |
| | Greens | Jess Di Blasio | 2,432 | 5.4 | -1.6 |
| | Outdoor Recreation | Clinton Mead | 2,104 | 4.6 | +4.6 |
| | Christian Democrats | Chris Dalton | 1,669 | 3.7 | +3.7 |
| Total formal votes | Total formal votes | Total formal votes | 45,366 | 95.4 | −1.0 |
| Informal votes | Informal votes | Informal votes | 2,183 | 4.6 | +1.0 |
| Turnout | Turnout | Turnout | 47,549 | 94.5 | |
| Two-party-preferred result ||||||
| | Liberal | Jai Rowell | 24,861 | 64.7 | +18.0 |
| | Labor | Phil Costa | 13,559 | 35.3 | -18.0 |
| | Liberal gain from Labor | Liberal gain from Labor | Swing | +18.0 | |

### Elections in the 2000s
#### 2007

2007 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Phil Costa | 18,652 | 44.3 | -2.4 |
| | Liberal | Sharryn Hilton | 16,524 | 39.2 | -0.3 |
| | Independent | Danny Stewart | 3,069 | 7.3 | +7.3 |
| | Greens | Geraldine Hunt | 2,931 | 7.0 | +0.9 |
| | Independent | Maurice Nelmes | 926 | 2.2 | +2.2 |
| Total formal votes | Total formal votes | Total formal votes | 42,102 | 96.4 | −0.8 |
| Informal votes | Informal votes | Informal votes | 1,577 | 3.6 | +0.8 |
| Turnout | Turnout | Turnout | 43,679 | 93.9 | |
| Two-party-preferred result ||||||
| | Labor | Phil Costa | 20,803 | 53.3 | -1.3 |
| | Liberal | Sharryn Hilton | 18,226 | 46.7 | +1.3 |
| | Labor notional hold | Labor notional hold | Swing | -1.3 | |
District re-created

#### 1981 - 2007

District abolished District abolished

### Elections in the 1970s
#### 1978

1978 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Peter Reynolds | 13,074 | 43.1 | -9.1 |
| | Labor | Bill Knott | 13,005 | 42.8 | +3.7 |
| | Independent | Robert Wilson | 2,647 | 8.7 | +8.7 |
| | Democrats | Paul Stocker | 1,631 | 5.4 | +5.4 |
| Total formal votes | Total formal votes | Total formal votes | 30,357 | 98.5 | −0.2 |
| Informal votes | Informal votes | Informal votes | 475 | 1.5 | +0.2 |
| Turnout | Turnout | Turnout | 30,832 | 93.5 | −0.1 |
| Two-party-preferred result ||||||
| | Labor | Bill Knott | 15,313 | 50.4 | +8.0 |
| | Liberal | Peter Reynolds | 15,044 | 49.6 | -8.0 |
| | Labor gain from Liberal | Labor gain from Liberal | Swing | +8.0 | |

#### 1976

1976 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 14,514 | 52.2 | -3.1 |
| | Labor | Bill Knott | 10,883 | 39.1 | +7.9 |
| | Workers | Victor Thomas | 1,526 | 5.5 | +5.5 |
| | Independent | William Tangye | 880 | 3.2 | +3.2 |
| Total formal votes | Total formal votes | Total formal votes | 27,803 | 98.7 | +0.4 |
| Informal votes | Informal votes | Informal votes | 379 | 1.3 | −0.4 |
| Turnout | Turnout | Turnout | 28,182 | 93.6 | +1.3 |
| Two-party-preferred result ||||||
| | Liberal | Tom Lewis | 16,023 | 57.6 | -4.4 |
| | Labor | Bill Knott | 11,780 | 42.4 | +4.4 |
| | Liberal hold | Liberal hold | Swing | -4.4 | |

#### 1973

1973 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 13,426 | 55.3 | -0.4 |
| | Labor | Bill Knott | 7,582 | 31.2 | -5.0 |
| | Independent | Dianne Allen | 1,714 | 7.1 | +7.1 |
| | Australia | Jill Kerr | 1,007 | 4.2 | +4.2 |
| | Democratic Labor | Bernard McRae | 554 | 2.3 | -1.8 |
| Total formal votes | Total formal votes | Total formal votes | 24,283 | 98.3 | |
| Informal votes | Informal votes | Informal votes | 415 | 1.7 | |
| Turnout | Turnout | Turnout | 24,698 | 92.3 | |
| Two-party-preferred result ||||||
| | Liberal | Tom Lewis | 15,055 | 62.0 | +1.0 |
| | Labor | Bill Knott | 9,228 | 38.0 | -1.0 |
| | Liberal hold | Liberal hold | Swing | +1.0 | |

#### 1971

1971 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 11,538 | 55.7 | -9.3 |
| | Labor | John Kerin | 7,506 | 36.2 | +1.2 |
| | Democratic Labor | Kevin Harrold | 858 | 4.1 | +4.1 |
| | Independent | Alexander Gould | 814 | 3.9 | +3.9 |
| Total formal votes | Total formal votes | Total formal votes | 20,716 | 98.5 | |
| Informal votes | Informal votes | Informal votes | 323 | 1.5 | |
| Turnout | Turnout | Turnout | 21,039 | 94.3 | |
| Two-party-preferred result ||||||
| | Liberal | Tom Lewis | 12,631 | 61.0 | -4.0 |
| | Labor | John Kerin | 8,085 | 39.0 | +4.0 |
| | Liberal hold | Liberal hold | Swing | -4.0 | |

### Elections in the 1960s
#### 1968

1968 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 10,652 | 59.2 | +0.4 |
| | Labor | Bernard Carroll | 7,330 | 40.8 | +5.1 |
| Total formal votes | Total formal votes | Total formal votes | 17,982 | 97.7 | |
| Informal votes | Informal votes | Informal votes | 425 | 2.3 | |
| Turnout | Turnout | Turnout | 18,407 | 95.3 | |
| | Liberal hold | Liberal hold | Swing | -2.4 | |

#### 1965

1965 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 14,933 | 58.8 | +1.9 |
| | Labor | Patrick O'Halloran | 9,050 | 35.7 | −7.4 |
| | Independent | James Downing | 1,405 | 5.5 | +5.5 |
| Total formal votes | Total formal votes | Total formal votes | 25,388 | 98.7 | −0.3 |
| Informal votes | Informal votes | Informal votes | 341 | 1.3 | +0.3 |
| Turnout | Turnout | Turnout | 25,729 | 95.1 | +0.2 |
| Two-party-preferred result ||||||
| | Liberal | Tom Lewis | 15,636 | 61.6 | +4.7 |
| | Labor | Patrick O'Halloran | 9,752 | 38.4 | −4.7 |
| | Liberal hold | Liberal hold | Swing | +4.7 | |

#### 1962

1962 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Tom Lewis | 12,825 | 56.9 | +0.2 |
| | Labor | Jack Wharton | 9,719 | 43.1 | −0.2 |
| Total formal votes | Total formal votes | Total formal votes | 22,544 | 99.0 | |
| Informal votes | Informal votes | Informal votes | 234 | 1.0 | |
| Turnout | Turnout | Turnout | 22,778 | 94.9 | |
| | Liberal hold | Liberal hold | Swing | +0.2 | |

### Elections in the 1950s
#### 1959

1959 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal | Tom Lewis | 12,591 | 60.9 |
| | Labor | Ernest Seager | 8,091 | 39.1 |
| Total formal votes | Total formal votes | Total formal votes | 20,682 | 98.6 |
| Informal votes | Informal votes | Informal votes | 284 | 1.4 |
| Turnout | Turnout | Turnout | 20,966 | 95.3 |
| | Liberal hold | Liberal hold | Swing | |

#### 1957 by-election

1957 Wollondilly by-election Saturday 24 October :
| Party | Party | Candidate | Votes | % |
| | Liberal | Tom Lewis | 8,483 | 52.0 |
| | Labor | Ern Seager | 5,155 | 31.6 |
| | Independent | Murrum Sweet | 2,666 | 16.4 |
| Total formal votes | Total formal votes | Total formal votes | 16,304 | 98.6 |
| Informal votes | Informal votes | Informal votes | 236 | 1.4 |
| Turnout | Turnout | Turnout | 16,540 | 86.2 |
| | Liberal hold | Liberal hold | Swing | |

#### 1956

1956 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Blake Pelly | 11,675 | 65.2 | +8.3 |
| | Labor | Ernest Seager | 6,220 | 34.8 | −8.3 |
| Total formal votes | Total formal votes | Total formal votes | 17,895 | 98.9 | +0.3 |
| Informal votes | Informal votes | Informal votes | 204 | 1.1 | −0.3 |
| Turnout | Turnout | Turnout | 18,099 | 94.6 | +0.4 |
| | Liberal hold | Liberal hold | Swing | +8.3 | |

#### 1953

1953 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal | Blake Pelly | 9,747 | 56.9 |
| | Labor | Albert Hughes | 7,392 | 43.1 |
| Total formal votes | Total formal votes | Total formal votes | 17,139 | 98.6 |
| Informal votes | Informal votes | Informal votes | 248 | 1.4 |
| Turnout | Turnout | Turnout | 17,387 | 94.2 |
| | Liberal hold | Liberal hold | Swing | |

#### 1950

1950 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal | Blake Pelly | 8,615 | 65.9 |
| | Independent | Gerard Wylie | 3,323 | 25.4 |
| | Independent | Erle Sampson | 1,127 | 8.6 |
| Total formal votes | Total formal votes | Total formal votes | 13,065 | 96.7 |
| Informal votes | Informal votes | Informal votes | 445 | 3.3 |
| Turnout | Turnout | Turnout | 13,510 | 91.6 |
| | Liberal hold | Liberal hold | Swing | N/A |
* Preferences were not distributed.

#### 1950 by-election

1950 Wollondilly by-election Monday 23 January :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Blake Pelly | unopposed | | |
| | Liberal hold | Liberal hold | | | |

### Elections in the 1940s
#### 1947

1947 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Jeff Bate | 9,919 | 66.4 | +0.9 |
| | Labor | James Walsh | 5,013 | 33.6 | +33.6 |
| Total formal votes | Total formal votes | Total formal votes | 14,932 | 98.8 | +1.9 |
| Informal votes | Informal votes | Informal votes | 184 | 1.2 | −1.9 |
| Turnout | Turnout | Turnout | 15,116 | 94.5 | +6.1 |
| | Liberal hold | Liberal hold | Swing | N/A | |

#### 1944

1944 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Jeff Bate | 8,305 | 65.5 | -34.5 |
| | Independent Labor | Patrick Kenna | 2,432 | 19.2 | +19.2 |
| | Liberal Democratic | Gerald Wylie | 1,934 | 15.3 | +15.3 |
| Total formal votes | Total formal votes | Total formal votes | 12,671 | 96.9 | |
| Informal votes | Informal votes | Informal votes | 403 | 3.1 | |
| Turnout | Turnout | Turnout | 13,074 | 88.4 | |
| | Democratic hold | Democratic hold | Swing | N/A | |

#### 1941

1941 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Jeff Bate | unopposed | | |
| | United Australia hold | United Australia hold | | | |

### Elections in the 1930s
#### 1938 by-election

1938 Wollondilly by-election Saturday 12 November :
| Party | Party | Candidate | Votes | % |
| | United Australia | Jeff Bate | 2,255 | 19.0 |
| | Independent | Thomas Gilmore | 2,326 | 19.6 |
| | Independent | Tom Mack | 1,918 | 16.2 |
| | United Australia | Henry Morton | 1,509 | 12.7 |
| | United Australia | Peter Loughlin | 1,379 | 11.6 |
| | United Australia | Herbert Venables | 1,312 | 11.1 |
| | United Australia | William Pickles | 603 | 5.1 |
| | Ind. United Australia | Walter Moss | 503 | 4.2 |
| | Independent | James Graham | 56 | 0.5 |
| Total formal votes | Total formal votes | Total formal votes | 11,861 | 93.7 |
| Informal votes | Informal votes | Informal votes | 804 | 6.4 |
| Turnout | Turnout | Turnout | 12,665 | 89.8 |
| Two-party-preferred result ||||||
| | United Australia | Jeff Bate | 6,821 | 57.5 |
| | Independent | Thomas Gilmore | 5,040 | 42.5 |
| | United Australia hold | United Australia hold | Swing | N/A |

#### 1938

1938 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Mark Morton | unopposed | | |
| | United Australia hold | United Australia hold | | | |

#### 1935

1935 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Mark Morton | unopposed | | |
| | United Australia hold | United Australia hold | | | |

#### 1932

1932 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Mark Morton | 8,971 | 70.6 | +14.3 |
| | Labor (NSW) | John Cleary | 3,232 | 25.4 | -18.3 |
| | Federal Labor | Patrick Kenna | 500 | 3.9 | +3.9 |
| Total formal votes | Total formal votes | Total formal votes | 12,703 | 98.8 | +0.3 |
| Informal votes | Informal votes | Informal votes | 157 | 1.2 | −0.3 |
| Turnout | Turnout | Turnout | 12,860 | 96.1 | +0.2 |
| | United Australia hold | United Australia hold | Swing | N/A | |
* Preferences were not distributed.

#### 1930

1930 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Nationalist | Mark Morton | 7,215 | 56.3 |
| | Labor | Edward Burns | 5,601 | 43.7 |
| Total formal votes | Total formal votes | Total formal votes | 12,816 | 98.5 |
| Informal votes | Informal votes | Informal votes | 190 | 1.5 |
| Turnout | Turnout | Turnout | 13,006 | 95.9 |
| | Nationalist hold | Nationalist hold | Swing | |

### Elections in the 1920s
#### 1928 by-election

1928 Wollondilly by-election Saturday 3 March :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | Mark Morton | 5,773 | 61.1 | -1.4 |
| | Labor | Daniel Chalker | 3,681 | 38.9 | +1.4 |
| Total formal votes | Total formal votes | Total formal votes | 9,454 | 99.5 | +0.6 |
| Informal votes | Informal votes | Informal votes | 43 | 0.5 | −0.6 |
| Turnout | Turnout | Turnout | 9,497 | 65.6 | −16.2 |
| | Nationalist hold | Nationalist hold | Swing | -1.4 | |

#### 1927

    This section is an excerpt from 1927 New South Wales state election § Wollondilly
1927 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | George Fuller | 7,249 | 62.5 | |
| | Labor | Daniel Chalker | 4,342 | 37.5 | |
| Total formal votes | Total formal votes | Total formal votes | 11,591 | 98.9 | |
| Informal votes | Informal votes | Informal votes | 132 | 1.1 | |
| Turnout | Turnout | Turnout | 11,723 | 81.8 | |
| | Nationalist win | Nationalist win | (new seat) | (new seat) | (new seat) |

#### 1925

    This section is an excerpt from 1925 New South Wales state election § Wollondilly
1925 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| Quota | Quota | Quota | 7,924 | | |
| | Labor | Billy Davies (elected 1) | 12,428 | 39.2 | +10.8 |
| | Labor | Andrew Lysaght (elected 3) | 3,525 | 11.1 | +11.1 |
| | Labor | Patrick Malloy | 417 | 1.3 | +1.3 |
| | Nationalist | Sir George Fuller (elected 2) | 11,144 | 35.2 | -4.6 |
| | Nationalist | Mark Morton (defeated) | 3,148 | 9.9 | -1.3 |
| | Nationalist | Alexander South | 141 | 0.4 | +0.4 |
| | Progressive | William Howarth | 673 | 2.1 | -0.4 |
| | Ind. Nationalist | Samuel Emmett | 204 | 0.4 | +0.4 |
| | Independent | Edward Newton | 10 | 0.03 | +0.03 |
| Total formal votes | Total formal votes | Total formal votes | 31,690 | 97.4 | +1.1 |
| Informal votes | Informal votes | Informal votes | 830 | 2.6 | −1.1 |
| Turnout | Turnout | Turnout | 32,520 | 75.0 | −0.4 |
| Party total votes ||||||
| | Labor | | 16,370 | 51.7 | +8.5 |
| | Nationalist | | 14,433 | 45.5 | -7.8 |
| | Progressive | | 673 | 2.1 | -0.4 |
| | Ind. Nationalist | Samuel Emmett | 204 | 0.4 | +0.4 |
| | Independent | Edward Newton | 10 | 0.03 | +0.03 |

#### 1922

    This section is an excerpt from 1922 New South Wales state election § Wollondilly
1922 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| Quota | Quota | Quota | 7,222 | | |
| | Nationalist | Sir George Fuller (elected 1) | 11,507 | 39.8 | +11.6 |
| | Nationalist | Mark Morton (elected 3) | 3,229 | 11.2 | -6.5 |
| | Nationalist | Samuel Emmett | 647 | 2.2 | +2.2 |
| | Labor | Billy Davies (elected 2) | 8,208 | 28.4 | -9.5 |
| | Labor | John Cleary (defeated) | 4,158 | 14.4 | +6.5 |
| | Labor | Walter Thompson | 100 | 0.4 | +0.4 |
| | Progressive | William Howarth | 711 | 2.5 | +2.5 |
| | Independent | Arthur Silvey-Reardon | 324 | 1.1 | -0.6 |
| Total formal votes | Total formal votes | Total formal votes | 28,884 | 96.3 | +2.2 |
| Informal votes | Informal votes | Informal votes | 1,121 | 3.7 | −2.2 |
| Turnout | Turnout | Turnout | 30,005 | 75.4 | +14.9 |
| Party total votes ||||||
| | Nationalist | | 15,383 | 53.2 | +7.3 |
| | Labor | | 12,466 | 43.2 | -9.2 |
| | Progressive | | 711 | 2.5 | +2.5 |
| | Independent | Arthur Silvey-Reardon | 324 | 1.1 | -0.6 |

#### 1920

    This section is an excerpt from 1920 New South Wales state election § Wollondilly
1920 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| Quota | Quota | Quota | 5,562 | |
| | Labor | Billy Davies (elected 1) | 8,440 | 37.9 |
| | Labor | John Cleary (elected 3) | 1,756 | 7.9 |
| | Labor | Daniel Chalker | 1,471 | 6.6 |
| | Nationalist | George Fuller (elected 2) | 6,267 | 28.2 |
| | Nationalist | Mark Morton (defeated) | 3,935 | 17.7 |
| | Independent | Arthur Silvey-Reardon | 375 | 1.7 |
| Total formal votes | Total formal votes | Total formal votes | 22,244 | 94.1 |
| Informal votes | Informal votes | Informal votes | 1,401 | 5.9 |
| Turnout | Turnout | Turnout | 23,645 | 60.5 |
| Party total votes ||||||
| | Labor | | 11,667 | 52.5 |
| | Nationalist | | 10,202 | 45.9 |
| | Independent | Arthur Silvey-Reardon | 375 | 1.7 |

### Elections in the 1910s
#### 1917

    This section is an excerpt from 1917 New South Wales state election § Wollondilly
1917 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | George Fuller | 4,425 | 56.8 | -0.8 |
| | Labor | Daniel Chalker | 3,364 | 43.2 | +9.3 |
| Total formal votes | Total formal votes | Total formal votes | 7,789 | 99.1 | +1.9 |
| Informal votes | Informal votes | Informal votes | 71 | 0.9 | −1.9 |
| Turnout | Turnout | Turnout | 7,860 | 65.6 | −0.8 |
| | Nationalist hold | Nationalist hold | Swing | -0.8 | |

#### 1915 by-election

1915 Wollondilly by-election Thursday 16 September :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Reform | George Fuller | unopposed | | |
| | Liberal Reform hold | Liberal Reform hold | | | |

#### 1913

    This section is an excerpt from 1913 New South Wales state election § Wollondilly
1913 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal Reform | Frank Badgery | 3,801 | 57.6 |
| | Labor | James Donaldson | 2,238 | 33.9 |
| | Country Party Association | Samuel Emmett | 290 | 4.4 |
| | Independent Liberal | Thomas Raw | 266 | 4.0 |
| Total formal votes | Total formal votes | Total formal votes | 6,595 | 97.2 |
| Informal votes | Informal votes | Informal votes | 188 | 2.8 |
| Turnout | Turnout | Turnout | 6,783 | 66.4 |
| | Liberal Reform hold | Liberal Reform hold | | |

#### 1913 by-election

1913 Wollondilly by-election Saturday 19 July :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Reform | Frank Badgery | 2,724 | 60.3 | -4.7 |
| | Labour | John Masters | 1,765 | 39.1 | +4.1 |
| | Independent | John Pearson | 29 | 0.6 | |
| Total formal votes | Total formal votes | Total formal votes | 4,518 | 99.2 | +1.3 |
| Informal votes | Informal votes | Informal votes | 147 | 0.8 | −1.3 |
| Turnout | Turnout | Turnout | 4,553 | 55.2 | −12.8 |
| | Liberal Reform hold | Liberal Reform hold | Swing | -4.7 | |

#### 1910

1910 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal Reform | William McCourt | 3,383 | 65.0 |
| | Labour | Charles Fern | 1,825 | 35.0 |
| Total formal votes | Total formal votes | Total formal votes | 5,208 | 97.9 |
| Informal votes | Informal votes | Informal votes | 112 | 2.1 |
| Turnout | Turnout | Turnout | 5,320 | 68.0 |
| | Liberal Reform hold | Liberal Reform hold | | |

### Elections in the 1900s
#### 1907

    This section is an excerpt from 1907 New South Wales state election § Wollondilly
1907 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % |
| | Liberal Reform | William McCourt | 3,220 | 78.1 |
| | Independent | Leonard Green | 671 | 16.3 |
| | Labour | Laurence Gilmartin | 232 | 5.6 |
| Total formal votes | Total formal votes | Total formal votes | 4,123 | 96.4 |
| Informal votes | Informal votes | Informal votes | 153 | 3.6 |
| Turnout | Turnout | Turnout | 4,276 | 56.3 |
| | Liberal Reform hold | Liberal Reform hold | | |

#### 1904

    This section is an excerpt from 1904 New South Wales state election § Wollondilly
1904 New South Wales state election: Wollondilly :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Reform | William McCourt | 2,266 | 55.2 | |
| | Independent Liberal | Sidney Innes-Noad | 1,824 | 44.4 | |
| | Independent | Theodore Corby | 16 | 0.4 | |
| Total formal votes | Total formal votes | Total formal votes | 4,106 | 98.9 | |
| Informal votes | Informal votes | Informal votes | 44 | 1.1 | |
| Turnout | Turnout | Turnout | 4,150 | 57.4 | |
| | Liberal Reform win | Liberal Reform win | (new seat) | (new seat) | (new seat) |
Wollondilly was a new seat comprising parts of the abolished seats of Bowral and Argyle and parts of Camden and Hartley. William McCourt (Liberal Reform) was the member for Bowral. The member for Hartley was John Hurley (Independent) who successfully retained that seat. The member for Argyle was Thomas Rose (Liberal Reform) who unsuccessfully contested Belubula. The member for Camden was John Kidd (Progressive) who unsuccessfully contested Camden.