Terence O'Neill, Baron O'Neill of the Maine
Terence Marne O'Neill, Baron O'Neill of the Maine, PC (10 September 1914 – 12 June 1990) was the fourth Prime Minister of Northern Ireland and leader (1963–1970) of the Ulster Unionist Party (UUP). A moderate who sought to reconcile the sectarian divisions in Northern Ireland society, he was Member of the Parliament of Northern Ireland for the Bannside constituency from 1946 until his forced resignation in 1970.