Domhnall Ua Buachalla
In 1933 the Counsellors of State, Queen Mary, Prince Edward, Prince of Wales and Prince Albert, Duke of York (acting for King George V who was ill), on the advice of the President of the Executive Council, Éamon de Valera, formally appointed an Anti-Treaty ex-Fianna Fáil TD, Domhnall Ua Buachalla (Donal Buckley) to become Governor-General of the Irish Free State. Though advised by de Valera's Executive Council not to carry out public engagements, Ua Buachalla continued to carry out his official state functions, including the granting of the Royal Assent.
Read more about this topic: Royal Assent (Ireland)