Twenty-First Dáil - (5 July 1977-21 May 1981)
Fifteenth Government of Ireland - (5 July 1977-11 December 1979)
The Fifteenth Government of Ireland was remembered allowing the Nuclear Energy Board plans for a plant at Carnsore Point to go ahead. Desmond O'Malley, as the minister in with responsibility for the board was central to this leadership. Later the Sixteenth Government, under the same Dáil, would drop these plans.
- Jack Lynch, FF - An Taoiseach
- George Colley, FF - An Tánaiste and Minister for Finance & the Public Service
- Charles Haughey, FF - Minister for Health & Social Welfare
- Brian Lenihan, FF - Minister for Fisheries
- Pádraig Faulkner, FF - Minister for Posts & Telegraphs and Transport & Power
- Jim Gibbons, FF - Minister for Agriculture
- Desmond O'Malley, FF - Minister for Industry & Commerce
- Bobby Molloy, FF - Minister for Defence
- Gerard Collins, FF - Minister for Justice
- Michael O'Kennedy, FF - Minister for Foreign Affairs
- Sylvester Barret, FF - Minister for Local Government
- Gene FitzGerald, FF - Minister for Labour
- Denis Gallagher, FF - Minister for the Gaeltacht
- John P. Wilson, FF - Minister for Education
- Martin O'Donoghue, FF - Minister for Economic Planning & Development
Sixteenth Government of Ireland - (11 December 1979-30 June 1981)
- Charles J. Haughey, FF - An Taoiseach
- George Colley, FF - An Tánaiste and Minister for Tourism & Transport (12.12.79 - 25.1.80)
- Minister for Energy (22.1.80 to 30.6.81)
- Albert Reynolds, FF - Minister for Posts & Telegraphs (12.12.79 - 30.6.81)
- Minister for Transport (25.1.80 - 30.6.81)
- Brian Lenihan, FF - Minister for Foreign Affairs
- Pádraig Faulkner, FF - Minister for Defence (12.12.79 - 15.10.80: resigned)
- Desmond O'Malley, FF - Minister for Industry, Commerce & Energy (12.12.79 - 30.6.81)
- Minister for Industry, Commerce & Tourism (23.1.80 - 30.6.81)
- Gerard Collins, FF - Minister for Justice
- Michael O'Kennedy, FF - Minister for Finance (12.12.79 - 16.12.80: resigned)
- Minister for Economic Planning & Development (12.12.79 - 21.1.80)
- Minister for Public Service (12.12.79 - 24.3.80)
- Gene FitzGerald, FF - Minister for Labour (12.12.79 - 16.12.80)
- Minister for the Public Service (24.3.80 - 30.6.81)
- Minister for Finance (16.12.1980 - 30.6.81)
- John P. Wilson, FF - Minister for Education
- Sylvester Barret, FF - Minister for the Environment (12.12.79 -15.10.1980)
- Minister for Defence (15.10.1980 - 30.6.81)
- Ray MacSharry, FF - Minister for Agriculture
- Máire Geoghegan-Quinn, FF - Minister for the Gaeltacht
- Michael Woods, FF - Minister for Health & Social Welfare
- Paddy Power, FF - Minister for Fisheries & Forestry
- Ray Burke, FF - Minister for the Environment (15.10.80 - 30.6.81)
- Tom Nolan, FF - Minister for Labour (16.12.80 - 30.6.81)