High Quality Content by WIKIPEDIA articles! James Dawson Chichester-Clark, Baron Moyola, PC, DL (12 February 1923 – 17 May 2002) was the penultimate Prime Minister of Northern Ireland and eighth leader of the Ulster Unionist Party between 1969 and March 1971. He was Member of the Northern Ireland Parliament for South Londonderry for 12 years beginning at the by-election to replace his grandmother Dehra Parker in 1960. He stopped being an MP when the Stormont Parliament was prorogued by the British Government.