Background
Hamilton was the son of James Hamilton, 1st Earl of Clanbrassil and Lady Harriet Bentinck.
Hamilton was the son of James Hamilton, 1st Earl of Clanbrassil and Lady Harriet Bentinck.
On 17 March 1758, he succeeded to his father"s titles and became Earl of Clanbrassil. As his title was in the Peerage of Ireland, he was not barred from election to the House of Commons of Great Britain. As such, he served as the Member of Parliament for Helston from 1768 to 1774.
Grace Foley, daughter of Thomas Foley, 1st Baron Foley and Honorary
Grace Granville, on 21 May 1774 at Oxford Chapel, Marylebone. He died without issue in 1798 and his titles became extinct.
13th Parliament of Great Britain]
He sat in the Irish House of Commons as the Member of Parliament for Midleton between 1755 and 1758, and served as High Sheriff of Louth in 1757. On 4 July 1766 he was made a member of the Privy Council of Ireland and was Custos Rotulorum of County Louth between 1769 and 1798.