Robert Stewart, 1st Marquess of Londonderry

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Robert Stewart, 1st Marquess of Londonderry (September 27, 1739–April 6, 1821), an Irish politician and landowner, was the father of the famous politician Robert Stewart, Viscount Castlereagh.

Born in 1739, nephew to Robert Cowan, the wealthy Governor of Bombay,^[1] Stewart was elected to the Irish House of Commons in 1771 as member for County Down, becoming an Irish Privy Counsellor eleven years later. In 1789 he was created Baron Londonderry in the Peerage of Ireland, and in 1795 became Viscount Castlereagh. The following year he was promoted as Earl of Londonderry, and finally in 1816 was created Marquess of Londonderry, again in the Peerage of Ireland. From 1801 until his death he was also an Irish representative peer. He died at his home of Mount Stewart, County Down, and was buried at nearby Newtownards.

[edit] References

1. ^ The Londonderry Estate Office Archive - The Cowan inheritance

• LONDONDERRY, EARLS AND MARQUESSES OF, 1911 Encyclopedia Britannica;

Parliament of Ireland
Preceded by Arthur Hill and Roger Hall	Member of Parliament for County Down (two seat constituency) with Roger Hall to 1776, Viscount Fairford from 1776 1771–1776	Succeeded by Viscount Fairford and Edward Ward
Peerage of Ireland
New title	Marquess of Londonderry 1816–1821	Succeeded by Robert Stewart
	Earl of Londonderry 1796–1821
	Viscount Castlereagh 1795–1821
	Baron Londonderry 1789–1821