Clann Éireann de Valera and his followers into the party failed. After de Valera created the Fianna Fáil party in March 1926, Clann Éireann grew closer to that group. The party attracted little support and it failed to win any seats in Dáil Éireann at the June 1927 general election. Its seven candidates only attracted a few thousand first preference votes. Seven of them were last in their constituencies and forfeited their deposits. On 28 August 1927, the party issued a statement supporting Fianna Fáil, and ceased political activity. Clann Éireann Clann Éireann (), also known as the People's Party, was a
Éamon de Valera the work of Michael Collins and based on three sources: British oaths in the dominions, the oath of the Irish Republican Brotherhood and a draft oath prepared by de Valera in his proposed Treaty alternative, "Document No. 2"). De Valera began a legal case to challenge the requirement that members of his party take the Oath, but the assassination of the Vice-President of the Executive Council (deputy prime minister) Kevin O'Higgins on 10 July 1927 led the Executive Council under W. T. Cosgrave to introduce a Bill on 20 July requiring all Dáil candidates to promise on oath that if