Sixteenth Dáil
- Foilsithe: 28 Samhain 2017
- An t-eolas is déanaí: 28 Samhain 2018
(20.3.1957 - 15.9.1961)
Eighth Government (20.3.1957 - 23/24.6.1959)
| Name | Post held |
| Eamon de Valera | Taoiseach (to: 23.6.1959 - resigned) |
| Sean F. Lemass | Tánaiste and Minister for Industry & Commerce |
| Sean MacEntee | |
| James Ryan | Minister for Finance |
| Frank Aiken | |
| Oscar Traynor | Minister for Justice |
| Patrick Smith | |
| Erskine Childers | Minister for Lands |
| Jack Lynch | |
| Neil Blaney | |
| Kevin Boland | Minister for Defence |
| Sean Moylan | |
| Michael Moran | Minister for Gaeltacht (from 26.6.57) |
| John Ormonde | Minister for Posts and Telegraphs (from: 4 .12.57) |
Notes
Single-party Fianna Fáil Government.
Eamonn de Valera retired from politics on 23.6.1959
Parliamentary Secretaries
| Name | Post held |
| Donnchadh O Briain | |
| Patrick Beegan | |
| Michael J. Kennedy | Parl. Sec. to Minister for Social Welfare |
| Gerald Bartley | |
| Michael Hilliard |
Note
Single-party Fianna Fáil Government.
Ninth Government (23/24.6.1959 - 11.10.1961)
| Name | Post held |
| Eamon de Valera | |
| Sean F. Lemass | Taoiseach (appointed on 23.6.59) |
| Sean MacEntee | |
| James Ryan | Minister for Finance |
| Frank Aiken | Minister for External Affairs |
| Oscar Traynor | Minister for Justice |
| Patrick Smith | Minister for Agriculture |
| Erskine Childers | |
| Michael Moran | |
| Jack Lynch | Minister for Industry & Commerce |
| Neil Blaney | Minister for Local Government |
| Kevin Boland | Minister for Defence |
| Michael Hilliard | Minister for Posts and Telegraphs |
| Patrick J. Hillery | Minister for Education |
| Gerald Bartley | Minister for the Gaeltacht (from: 23.7.1959) |
Note
Single-party Fianna Fáil Government.
Following Eamonn de Valera's retirement from politics, Sean F. Lemass was appointed Taoiseach and Fianna Fáil continued in Government.There was no need for a General Election.
A new Department of Transport and Power was created.
Parliamentary Secretaries
| Name | Post held |
| Donnchadh O Briain | |
| Michael J. Kennedy | Parl. Sec. to Minister for Social Welfare |
| Gerald Bartley | |
| Joseph Brennan | |
| Charles J. Haughey | Parl. Sec. to Minister for Justice |
Note
Single-party Fianna Fáil Government.