Sinn Féin for nine years. (It merged with two other organisations to form Fine Gael in 1933.) Anti-Treaty Sinn Féin members continued to boycott the Dáil. At a special "Ard Fheis" in March 1926, de Valera proposed that elected members be allowed to take their seats in the Dáil if and when the controversial Oath of Allegiance was removed. When his motion was defeated, de Valera resigned from Sinn Féin; on 16 May 1926, he founded his own party, Fianna Fáil, which was dedicated to republicanising the Free State from within its political structures. He took most Sinn Féin TDs with him.
Éamon de Valera cultural stagnation, while Diarmaid Ferriter argues that the stereotype of de Valera as an austere, cold and even backward figure was largely manufactured in the 1960s and is misguided. Éamon de Valera was born on 14 October 1882 in New York City, the son of Catherine Coll, who was originally from Bruree, County Limerick, and Juan Vivion de Valera, described on the birth certificate as a Spanish artist born in the Basque Country, Spain. His parents were reportedly married on 18 September 1881 at St Patrick's Church in Jersey City, New Jersey, but archivists have not located any marriage certificate