Síle de Valera Dublin, where she qualified as a career guidance teacher. De Valera comes from a famous political family; she is the granddaughter of Éamon de Valera, the founder of Fianna Fáil, former Taoiseach and third President of Ireland. She is a niece of the former TD Vivion de Valera and is a first cousin of Teachta Dála Éamon Ó Cuív. De Valera was first returned to Dáil Éireann in the Fianna Fáil landslide victory at the 1977 general election. She was elected for the Dublin County Mid constituency, which included the Tallaght area of County Dublin, being the youngest TD elected
Éamon de Valera courage which have enabled man to alight upon the Moon will enable him, also, to secure peace and happiness upon the Earth and avoid the danger of self-destruction." Éamon de Valera died from pneumonia and heart failure in Linden Convalescent Home, Blackrock, Dublin, on 29 August 1975, aged 92. His wife, Sinéad de Valera, four years his senior, had died the previous January, on the eve of their 65th wedding anniversary. His body lay in state at Dublin Castle and was given a full state funeral on 3 September at St Mary's Pro-Cathedral, which was broadcast on national television. He