THOMAS DAWSON, who purchased the lands at Castle Dawson, County Londonderry, during the reign of CHARLES I, 1633, from George and Dudley Philips. His son and successor,
THOMAS DAWSON ESQ, Commissary of the Musters of the army in Ireland, died in 1683 and was succeeded by his son,
THOMAS DAWSON ESQ, of Castle Dawson, MP for Antrim, who married Arabella Upton, of Castle Upton. Dying in 1695, he was succeeded by his brother,
JOSHUA DAWSON ESQ, of Castle Dawson, MP for Wicklow, chief secretary of state for Ireland to the Lords Justices, in 1710. His heir,
ARTHUR DAWSON ESQ, of Castle Dawson, who represented for a considerable time County Londonderry in Parliament, was constituted one of the Barons of the Exchequer in 1742. He was succeeded by his nephew,
ARTHUR DAWSON ESQ, of Castle Dawson, born in 1745, many years MP for Middleton and Banagher [sic]. His heir,
THE RT HON GEORGE ROBERT DAWSON, of Castle Dawson, born in 1790; married, in 1816, Mary, daughter of Sir Robert Peel Bt. MP for Londonderry, 1815-30; under-secretary of state for the Home Department, 1823; Secretary to the Treasury, 1828; privy counsellor, 1830; Secretary to the Admiralty, 1834-35. His heir,
LIEUTENANT-COLONEL ROBERT PEEL DAWSON, (1818-77), who lived at Moyola Park. He served as MP for County Londonderry from 1859-74.
His daughter Mary married Lord Adolphus John Spencer Churchill Chichester, younger son of 4th Marquess of Donegall; thus his grandson was the MP Robert Chichester and his great-great-grandson was the Rt Hon the Lord Moyola PC DL, Prime Minister of Northern Ireland, 1969-71.
Moyola Park, adjacent to the village of Castledawson, County Londonderry, is a handsome two-storey, 18th century house of coursed rubble with ashlar dressings. It has a five-bay entrance front and a three-bay pedimented breakfront.
There is a three-sided bow in the side elevation; a solid roof parapet; flush quoins.