[3] The 64 members were as follows: The election details were given by Orders in Council on 22 April 1921, which made the Clerk of the Crown and Hanaper the electoral registrar and returning officer.
[8] Accordingly, on 28 April 1921 Austin Stack as Minister for Home Affairs issued a proclamation ordering "that members of County Councils and other bodies who uphold the right of the Irish people to choose their own representatives and Government take no part in the partial election so proposed for the said Senate".
[9] The Irish Congress of Trade Unions and Labour Party supported the Republic, and the Catholic hierarchy also refused to co-operate.
Of the peers and privy councillors, 19 (all bar Cloncurry, Meath, and Westmeath) signed a letter refusing to act as a Senate if the elected Commons were replaced by an appointed "Crown Colony" assembly.
Some of the Southern Ireland senators were subsequently senators in the Free State Seanad (upper house), either appointed by W. T. Cosgrave, President of the Executive Council, or elected by the members of the Dáil (lower house).