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 then the Parliament of Northern Ireland had already met. It became clear that neither a republic, nor independence for all 32 counties, was going to be offered; Lloyd George told de Valera he could "put a soldier in Ireland for every man, woman and child in it" if the IRA did not immediately agree to stop fighting. In August 1921, de Valera secured Dáil Éireann approval to change the 1919 Dáil Constitution to upgrade his office from prime minister or chairman of the cabinet to a full President of the Republic. Declaring himself now the Irish equivalent of King George