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
Fianna Éireann been an outstanding Fianna officer for years. After internment he got married and eventually fell on hard times. In his own words, he was compromised by the Free State Special Branch and agreed to become an agent for them within the republican movement. He was eventually exposed by the Fianna Intelligence Officer, Frank Sherwin in 1926. Two former Fianna members made an attempt on his life in 1928, but Harling escaped and actually shot dead one of his attackers, Tim Coghlan of Inchicore. Harling was secreted out of the country by the Special Branch and ended up in the US