Dublin South-West
Dublin South-West is a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas. The constituency elects five deputies on the system of proportional representation by means of the single transferable vote.
Constituency profile
The constituency leans towards left-wing parties such as the Labour Party and Sinn Féin. Both Labour Party TDs elected in 2011 had been members of other left-wing parties: Pat Rabbitte of the Workers' Party and Democratic Left, and Eamonn Maloney was a member of the Jim Kemmy's Democratic Socialist Party. With the departure of Brian Hayes in 2014, upon the election of Paul Murphy of the Anti-Austerity Alliance in the 2014 by-election, the constituency was entirely represented by four left-of-centre TDs until the 2016 election.The constituency is noted for its volatility: in three consecutive general elections, the poll topper from the previous election lost his seat, Brian Hayes in 2002, Seán Crowe in 2007 and Conor Lenihan in 2011.
History and boundaries
The first constituency of this name was created by the Electoral Act 1947. It was based in Dublin city and existed from 1948 to 1977.| Years | TDs | Boundaries | Notes |
| 1948–1961 | 5 | The Crumlin, Kilmainham, Kimmage and Terenure Wards, the portion of the Rathfarnham Ward which is not included in the borough constituency of Dublin South-East and the portion of the Rathmines West Ward which is not included in the borough constituency of Dublin South-East. | Created from Dublin South |
| 1961–1969 | 5 | The Crumlin, Crumlin West, Kimmage, Rathmines West and Terenure wards and the part of the Ballyfermot ward lying to the south-east of a line drawn along the main Dublin to Cork railway. | Transfer of Kilmainhan to Dublin South-Central; transfer of part of Rathfarnham to Dublin South-East; transfer of remainder of Rathmines West from Dublin South-East. |
| 1969–1977 | 4 | The Ballyfermot, Crumlin and Kilmainham Wards; that part of Crumlin West ward situated within a line drawn as follows: commencing at the junction of Windmill Road with St. Mary's Road, thence commencing in a north-easterly direction and proceeding along the ward boundary to the starting point; and that part of Merchants Quay ward lying south of a line drawn as follows: commencing at the intersection of South Circular Road by the ward boundary, thence in a south-easterly direction along South Circular Road to its junction with Dolphin Avenue, thence in a southerly direction along Dolphin Avenue and its imaginary southerly projection to its intersection by the ward boundary. | Transfer of balance of Ballyfermot from Dublin County; transfer of part of Crumlin West, Rathmines West and Terenure to Dublin South-Central; transfer of Kilmainham and part of Merchants Quay from Dublin South-Central. |
| 1977 | — | Constituency abolished | Transfer of parts of Ballyfermot, Crumlin and Kilmainham to Dublin Ballyfermot; transfer of part of Merchants Quay and Kilmainham to Dublin South-Central; transfer of part of Ballyfermot and Crumlin to Dublin County West. |
A second constituency of this name was created by the Electoral Act 1980, and has been in use since the 1981 general election. It was in a different area to the 1948–1977 constituency, being based in County Dublin, in the areas of Clondalkin, Newcastle, Rathcoole, Saggart, Tallaght, Templeogue, and parts of Terenure. At the 2002 election, it was reduced in size and electorate, losing territory — including Newcastle, Rathcoole, Saggart and Clondalkin — to the new Dublin Mid-West constituency. At the 2016 general election, it gained a seat to become a five-seat constituency, with the addition of part of the former Dublin South constituency, around Rathfarnham. Major areas today include Rathfarnham, Tallaght, and Templeogue, with the surrounding suburbs of Ballyboden, Ballyroan, Butterfield, Firhouse, Greenhills, Knocklyon, Willbrook, and parts of Terenure.
The Electoral Act 2023 defines the constituency as:
| Years | TDs | Boundaries | Notes |
| 1981–1987 | 4 | New constituency, created by the transfer of Clondalkin Number One, Clondalkin Number Two, Newcastle, Rathcoole and Saggart from Dublin County West; and of Tallaght Number Two, Tallaght Number Three, Terenure Number Three, Terenure Number Four, and part of Tallaght Number One from Dublin County Mid. | |
| 1987–1992 | 4 | Transfer of Terenure No. 3 to Dublin South-Central. | |
| 1992–2002 | 5 | Increase in district magnitude with no change in area. New definitions of DEDs. | |
| 2002–2007 | 4 | Transfer of Firhouse and Bohernabreena from Dublin South, transfer of the Saggart and Rathcoole areas to Dublin Mid-West. Population swop with Dublin South-Central to secure an eastern boundary bounded largely by the M50, Greenhills Road and Templeville Road. | |
| 2007–2016 | 4 | Transfer from Dublin South of remainder of Firhouse Village. | |
| 2016–2024 | 5 | ||
| 2024–2024 | 5 | and the transfer of Tallaght-Fettercairn to Dublin Mid-West |