The titles of the Departments of Finance, Defence, Rural and Community Development, and Further and Higher Education, Research, Innovation and Science have not changed since their establishment.
Title | Period used | Immediate legal successor | Current departments with functions |
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Agriculture | | Agriculture and Fisheries | Agriculture, Food and the Marine |
1977–1987 | Agriculture and Food | Agriculture, Food and the Marine |
Agriculture and Fisheries | 1965–1977 | Agriculture | Agriculture, Food and the Marine |
Agriculture and Food | 1987–1993 | Agriculture, Food and Forestry | Agriculture, Food and the Marine |
1997–1999 | Agriculture, Food and Rural Development | Agriculture, Food and the Marine Rural and Community Development |
2002–2007 | Agriculture, Fisheries and Food | Agriculture, Food and the Marine |
Agriculture, Fisheries and Food | 2007–2011 | Agriculture, Food and the Marine | Agriculture, Food and the Marine Rural and Community Development |
Agriculture, Food and Forestry | 1993–1997 | Agriculture and Food | Agriculture, Food and the Marine Environment, Climate and Communications |
Agriculture, Food and Rural Development | 1999–2002 | Agriculture and Food | Agriculture, Food and the Marine Rural and Community Development |
Arts, Culture and the Gaeltacht | 1993–1997 | Arts, Heritage, Gaeltacht and the Islands | Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Arts, Heritage and the Gaeltacht | 2011–2016 | Arts, Heritage, Regional, Rural and Gaeltacht Affairs | Tourism, Culture, Arts, Gaeltacht, Sport and Media Housing, Local Government and Heritage |
Arts, Heritage, Gaeltacht and the Islands | 1997–2002 | Community, Rural and Gaeltacht Affair | Tourism, Culture, Arts, Gaeltacht, Sport and Media Rural and Community Development Housing, Local Government and Heritage |
Arts, Heritage, Regional, Rural and Gaeltacht Affairs | 2016–2017 | Culture, Heritage and the Gaeltacht | Tourism, Culture, Arts, Gaeltacht, Sport and Media Rural and Community Development Housing, Local Government and Heritage |
Arts, Sport and Tourism | 2002–2010 | Tourism, Culture and Sport | Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Business, Enterprise and Innovation | 2017–2020 | Enterprise, Trade and Employment | Enterprise, Trade and Employment Further and Higher Education, Research, Innovation and Science |
Children and Youth Affairs | 2011–2020 | Children, Equality, Disability, Integration and Youth | Children, Equality, Disability, Integration and Youth |
Communications | 1984–1991 | Lapsed in 1991 | Environment, Climate and Communications Transport |
Communications, Climate Action and Environment | 2016–2020 | Environment, Climate and Communications | Environment, Climate and Communications |
Communications, Energy and Natural Resources | 2007–2016 | Communications, Climate Action and Environment | Environment, Climate and Communications |
Communications, Marine and Natural Resources | 2002–2007 | Communications, Energy and Natural Resources | Agriculture, Food and the Marine Environment, Climate and Communications |
Community, Equality and Gaeltacht Affairs | 2010–2011 | Children and Youth Affairs | Tourism, Culture, Arts, Gaeltacht, Sport and Media Rural and Community Development |
Community, Rural and Gaeltacht Affairs | 2002–2010 | Community, Equality and Gaeltacht Affairs | Tourism, Culture, Arts, Gaeltacht, Sport and Media Justice and Equality Rural and Community Development |
Culture, Heritage and the Gaeltacht | 2017–2020 | Tourism, Culture, Arts, Gaeltacht, Sport and Media | Tourism, Culture, Arts, Gaeltacht, Sport and Media Housing, Local Government and Heritage |
Economic Planning and Development | 1977–1980 | Energy | Finance |
Education | 1924–1997 | Education and Science | Education |
Education and Science | 1997–2010 | Education and Skills | Education |
Education and Skills | 2010–2020 | Education | Education |
Employment Affairs and Social Protection | 2017–2020 | Social Protection | Social Protection |
Energy | 1980–1981 | Industry and Energy | Environment, Climate and Communications |
1983–1993 | Tourism and Trade | Environment, Climate and Communications |
Enterprise and Employment | 1993–1997 | Enterprise, Trade and Employment | Enterprise, Trade and Employment Social Protection |
Enterprise, Trade and Employment | 1997–2010 | Enterprise, Trade and Innovation | Enterprise, Trade and Employment Social Protection Foreign Affairs |
Enterprise, Trade and Innovation | 2010–2011 | Jobs, Enterprise and Innovation | Enterprise, Trade and Employment Social Protection Foreign Affairs |
Environment | 1977–1997 | Environment and Local Government | Environment, Climate and Communications Housing, Local Government and Heritage |
Environment and Local Government | 1997–2003 | Environment, Heritage and Local Government | Environment, Climate and Communications Housing, Local Government and Heritage |
Environment, Heritage and Local Government | 2003–2011 | Environment, Community and Local Government | Environment, Climate and Communications Tourism, Culture, Arts, Gaeltacht, Sport and Media Housing, Local Government and Heritage |
Environment, Community and Local Government | 2011–2016 | Housing, Planning, Community and Local Government | Environment, Climate and Communications Housing, Local Government and Heritage Rural and Community Development |
Equality and Law Reform | 1993–1997 | Lapsed in 1997 | Children, Equality, Disability, Integration and Youth Justice |
External Affairs | 1924–1971 | Foreign Affairs | Foreign Affairs |
Foreign Affairs and Trade | 2011–2020 | Foreign Affairs | Enterprise, Trade and Employment Foreign Affairs |
Fisheries | 1924–1928 | Lands and Fisheries | Agriculture, Food and the Marine |
1977–1978 | Fisheries and Forestry | Agriculture, Food and the Marine |
Fisheries and Forestry | 1978–1986 | Tourism, Fisheries and Forestry | Agriculture, Food and the Marine Environment, Climate and Communications |
Gaeltacht | 1956–1993 | Arts, Culture and the Gaeltacht | Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Health and Children | 1997–2011 | Health | Health Children, Equality, Disability, Integration and Youth |
Housing, Planning, Community and Local Government | 2016–2017 | Housing, Planning and Local Government | Housing, Local Government and Heritage Rural and Community Development |
Housing, Planning and Local Government | 2017–2020 | Housing, Local Government and Heritage | Housing, Local Government and Heritage |
Industry and Commerce | 1924–1977 | Industry, Commerce and Energy | Enterprise, Trade and Employment Environment, Climate and Communications |
1986–1993 | Enterprise and Employment | Enterprise, Trade and Employment |
Industry, Commerce and Energy | 1977–1980 | Industry, Commerce and Tourism | Enterprise, Trade and Employment Environment, Climate and Communications |
Industry, Commerce and Tourism | 1980–1981 | Trade, Commerce and Tourism | Enterprise, Trade and EmploymentTourism, Culture, Arts, Gaeltacht, Sport and Media |
Industry and Energy | 1981–1983 | Tourism, Culture, Arts, Gaeltacht, Sport and Media | Enterprise, Trade and Employment Environment, Climate and Communications |
Industry, Trade, Commerce and Tourism | 1983–1986 | Industry and Commerce | Enterprise, Trade and Employment Foreign Affairs Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Jobs, Enterprise, and Innovation | 2011–2017 | Business, Enterprise and Innovation | Enterprise, Trade and Employment Further and Higher Education, Research, Innovation and Science |
Justice, Equality and Law Reform | 1997–2010 | Justice and Law Reform | Justice |
Justice and Law Reform | 2010–2011 | Justice and Equality | Justice |
Justice and Equality | 2011–2020 | Justice | Justice Children, Equality, Disability, Integration and Youth |
Labour | 1966–1993 | Equality and Law Reform | Enterprise, Trade and Employment |
Lands and Agriculture | 1924–1928 | Agriculture | Agriculture, Food and the Marine |
Lands and Fisheries | 1928–1934 | Lands | Agriculture, Food and the Marine Environment, Climate and Communications |
Lands | 1934–1977 | Fisheries | Environment, Climate and Communications |
Local Government | 1947–1977 | Environment | Housing, Local Government and Heritage |
Local Government and Public Health | 1924–1947 | Local Government | Health Housing, Local Government and Heritage |
Marine | 1987–1997 | Marine and Natural Resources | Agriculture, Food and the Marine |
Marine and Natural Resources | 1997–2002 | Communications, Marine and Natural Resources | Agriculture, Food and the Marine Environment, Climate and Communications |
Posts and Telegraphs | 1924–1984 | Abolished in 1984 | Environment, Climate and Communications |
President of the Executive Council | 1924–1937 | Taoiseach | Taoiseach |
Public Enterprise | 1997–2002 | Transport | Environment, Climate and Communications Transport |
Public Expenditure and Reform | 2011–2023 | Public Expenditure, National Development Plan Delivery and Reform | Public Expenditure, National Development Plan Delivery and Reform |
Public Service | 1973–1987 | Transport | Finance |
Social and Family Affairs | 2002–2010 | Social Protection | Children, Equality, Disability, Integration and Youth Social Protection |
Social, Community and Family Affairs | 1997–2002 | Social and Family Affairs | Children, Equality, Disability, Integration and Youth Social Protection Rural and Community Development |
Social Welfare | 1947–1997 | Social, Community and Family Affairs | Social Protection |
Supplies | 1939–1945 | Abolished in 1945 | Enterprise, Trade and Employment |
Trade, Commerce and Tourism | 1981–1983 | Industry, Trade, Commerce and Tourism | Enterprise, Trade and Employment Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Transport | 1980–1984 | Abolished in 1984 | Transport |
Transport and Power | 1959–1977 | Tourism and Transport | Environment, Climate and Communications Transport |
Tourism and Trade | 1993–1997 | Tourism, Sport and Recreation | Enterprise, Trade and Employment Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Tourism, Culture and Sport | 2010–2011 | Arts, Heritage and the Gaeltacht | Tourism, Culture, Arts, Gaeltacht, Sport and Media Transport |
Tourism, Fisheries and Forestry | 1986–1987 | Marine | Agriculture, Food and the Marine Environment, Climate and Communications Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Tourism and Transport | 1977–1980 | Transport | Tourism, Culture, Arts, Gaeltacht, Sport and Media Transport |
Tourism and Transport | 1987–1991 | Transport, Transport and Communications | Tourism, Culture, Arts, Gaeltacht, Sport and Media Transport |
Tourism, Sport and Recreation | 1997–2002 | Arts, Sport and Tourism | Tourism, Culture, Arts, Gaeltacht, Sport and Media |
Tourism, Tourism and Sport | 2011–2020 | Transport | Tourism, Culture, Arts, Gaeltacht, Sport and Media Transport |
Tourism, Transport and Communications | 1991–1993 | Transport, Energy and Communications | Environment, Climate and Communications Tourism, Culture, Arts, Gaeltacht, Sport and Media Transport |
Transport, Energy and Communications | 1993–1997 | Public Enterprise | Environment, Climate and Communications Transport | |