Background
Hamilton was the son of James Hamilton and Honorary Anne Mordaunt, the daughter of John Mordaunt, 1st Viscount Mordaunt.
Hamilton was the son of James Hamilton and Honorary Anne Mordaunt, the daughter of John Mordaunt, 1st Viscount Mordaunt.
On 13 May 1719 he was created Baron Clanboye and Viscount of the City of Limerick in the Peerage of Ireland. As his titles were in the Irish peerage, he was not barred from election to the House of Commons of Great Britain and served as the Member of Parliament for Wendover (1735-1741), Tavistock (1741-1747) and for Morpeth (1747-1754). On 24 November 1756 was created Earl of Clanbrassil, also in the Peerage of Ireland, and subsequently served as Governor of County Louth between 1756 and his death in 1758.
Together they had two children.
8th Parliament of Great Britain. 9th Parliament of Great Britain. 10th Parliament of Great Britain]
He first stood for elected office in Ireland, and sat as the Member of the Irish House of Commons for Dundalk between 1715 and 1719.
On 14 April 1746 he was invested as a member of the Privy Council of Ireland.