Seán Lemass Irish Free State, the legitimacy of the Dáil, and its abstentionist policy of refusing to sit in the Dáil, if elected. However, the effort was unsuccessful and in March 1926, however, de Valera, along with Lemass, resigned from the party. At this point, de Valera contemplated leaving public life, a decision that would have changed the course of Irish history. It was Lemass who encouraged him to stay and form a political party. In May, de Valera, assisted by Gerald Boland and Lemass, began to plan a new party. This new party became known as Fianna Fáil – The Republican
Éamon de Valera by historians as a positive one, and a biography by Tim Pat Coogan alleges that his failures outweigh his achievements, with de Valera's reputation declining while that of his great rival in the 1920s, Michael Collins, is rising.The most recent work on de Valera by historian Diarmaid Ferriter presents a more positive picture of de Valera's legacy. Bertie Ahern, at a book launch for Diarmaid Ferriter's biography of de Valera, described de Valera's achievements in political leadership during the formative years of the state: One of de Valera's finest hours was his regrouping of the Republican side after defeat in