Margaret Pearse defeated at the 1922 general election. She supported those who opposed the Treaty during the Irish Civil War and continued to be a member of Sinn Féin until 1926. In 1926 she left the party conference with Éamon de Valera and became a founder member of Fianna Fáil. She never stood for election again. Her daughter Margaret Mary Pearse also joined Fianna Fáil, and served as a TD from 1933 to 1937 and later served in Seanad Éireann as a Senator from 1938 until her death in 1968. At the launch of "The Irish Press" newspaper Margaret was asked to
Constance Markievicz went on hunger strike. Within a month, she was released. She left Sinn Fein and joined the new Fianna Fáil party on its foundation in 1926, chairing the inaugural meeting of the new party in La Scala Theatre. In the June 1927 general election, she was re-elected to the 5th Dáil as a candidate for Fianna Fáil, which was pledged to return to Dáil Éireann, but died only five weeks later, before she could take her seat. Her fellow Fianna Fáil TDs signed the Oath of Fidelity to King George V and took their seats in the Dáil on 12