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General Election of 8 February 2020: 33rd Dáil

Donnelly Rules

The Donnelly Rules give a broad indication of how likely a candidate is to be elected based on where they come in the order of first preferences votes (Rule 1), and how many votes they get as a proportion of the quota (Rule 2).

Please credit Seán Donnelly and ElectionsIreland.org if mentioning the Donnelly Rules or using the tables on this page.

Donnelly Rule 1

Candidates have to be in the frame on the first count

For a candidate to have a good chance of getting elected they have to be in the frame on the first count. This means that as a general rule in a five seat constituency the candidate has to come in the first five on the first count. In a three seat constituency the candidate has to be in the first three places and in the first four in a four seat constituency.

In the 2020 general election there were 21 candidates who came from outside the frame to get elected – a record in recent elections. In other words, 138 or 87% of those elected were within the frame on the first count. The idea of a “Lazarus” type recovery rarely happens and when this rule is broken it's usually from a position just outside the frame (but see the well known example of Cyprian Brady in Dublin Central in 2007). Transfers are important but they don’t always have the influence that often we think they do.

Seats changed by transfers: TDs who broke Rule 1

          1st Count     1st Count
  Constituency Seats Winner Party Position Loser Party Position
1 Carlow-Kilkenny 5 Noonan, Malcolm GP 7 Aylward, Bobby FF 4
2 Clare 4 Carey, Joe FG 5 Dooley, Timmy FF 3
3 Cork East 4 Stanton, David FF 2 O'Keeffe, Kevin FF 2
4 Cork North-Central 4 Barry, Mick SPBP 5 O'Flynn, Kenneth NP 4
5 Cork South-West 3 Cairns, Holly SD 5 Lombard, Tim FG 3
6 Donegal 5 Pringle, Thomas NP 6 Gallagher, Pat the Cope FF 5
7 Dublin Central 4 Gannon, Gary SD 5 Fitzpatrick, Mary FF 4
8 Dublin Mid-West 4 Kenny, Gino SPBP 5 Curran, John FF 3
9 Dublin South-Central 4 Costello, Patrick GP 5 Byrne, Catherine FG 2
10 Dublin South-Central 4 Collins, Joan I4C 6 Ardagh, Catherine FG 3
11 Dun Laoghaire 4 Devlin, Cormac FF 7 Mitchell O'Connor, Mary FG 4
12 Galway East 3 Rabbitte, Anne FF 5 O'Hara, Louis SF 2
13 Kildare North 4 Durkan, Bernard FG 5 O'Rourke, Frank FF 4
14 Kildare South 3 Berry, Cathal NP 5 O'Loughlin, Fiona FF 3
15 Limerick County 3 O'Donoghue, Richard NP 4 Ó Ceallaigh, Seigin SF 3
16 Longford-Westmeath 4 Burke, Peter   FG 5 Moran, Kevin Boxer NP 4
17 Mayo 4 Dillon, Alan FG 6 Chambers, Lisa FF 4
18 Meath West 3 English, Damien FG 4 Cassells, Shane FF 3
19 Sligo-Leitrim 4 Feighan, Frankie FG 5 Scanlon, Eamonn FF 4
20 Waterford 4 Ó Cathasaigh, Marc GP 6 Cummins, John FG 4
21 Wexford 5 Murphy, Verona NP 7 D'Arcy, Michael FG 4
  Total 2020 21 13%     Broke both rules: 7    
  Total 2016 12 8%          
  Total 2011 11 7%
  Total 2007 14 8%
  Total 2002 18 11%
  Total 1997 18 11%
  Total 1992 16 10%
  Total 1989 14 8%
  Total 1987 16 10%

Donnelly Rule 2

Candidates must have at least half a quota on the first count

A candidate must have at least half a quota on the first count to have any chance of getting elected. Only 11 of those elected in 2020 got below half a quota on the first count. In other words 93% of those elected had at least half a quota on the first count. It is important to note that half a quota will not guarantee a seat but less than that level will leave a candidate with very little chance of getting elected. Two interesting exceptions in 2020 are Dublin South Central where Joan Collins retained her seat with just a third of a quota on the first count, and two candidates with over half a quota failed to be elected; and Waterford where Marc Ó Cathasaigh managed to be elected despite starting with 0.28 of a quota.

Winning candidates with less than half a quota on the first count: TDs who broke Rule 2

  Constituency Seats Elected Party Quota
1 Carlow-Kilkenny 5 Noonan, Malcolm GP 0.4
2 Cork North-Central 4 Barry, Mick SPBP 0.4
3 Cork South-West 3 Cairns, Holly SD 0.4
4 Donegal 5 Pringle, Thomas NP 0.4
5 Dublin Fingal 5 Smith, Duncan GP 0.4
6 Dublin South-West 5 Duffy, Francis GP 0.4
7 Dublin South-West 5 Murphy, Paul SPBP 0.4
8 Limerick City 4 Leddin, Brian GP 0.4
9 Mayo 4 Dillon, Alan FG 0.4
10 Sligo-Leitrim 4 Feighan, Frankie FG 0.4
11 Waterford 4 Ó Cathasaigh, Marc GP 0.3
  Total 2020 11 =11/159 7%  
  Total 2016 8 =8/158 5%  
  Total 2011 4 =4/166 2%  
  Total 2007 2 =2/166 1%  
  Total 2002 2 =2/166 1%  
  Total 1997 3 =3/166 2%  
  Total 1992 2 =2/166 1%  
  Total 1989 3 =3/166 2%  
      Broke both rules: 7    

Please credit Seán Donnelly and ElectionsIreland.org if mentioning the Donnelly Rules or using the tables on this page.

 
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