Sackville Hamilton

Hamilton entered the Irish House of Commons for St Johnstown (County Longford) in 1780 and sat for the constituency until 1783.^[1] Subsequently he was elected for Rathcormack and Clogher.^[1] He chose the latter and was a Member of Parliament for the constituency until 1795, resigning the seat to be Escheator of Munster, a notional 'office of profit under the crown'.^[1] In the following year he stood successfully for Armagh Borough, which he represented until 1798.^[1]

In 1780, Hamilton was appointed Under-Secretary to the Lord Lieutenant of Ireland.^[6] He held this post until February 1795 and again from May of the same year until 1796.^[6] In 1796, he was sworn of the Privy Council of Ireland.^[7]

He married Arabella Berkeley, daughter of Reverend Dr. Robert Berkeley, Bishop of Cloyne.^[8][9] Together, they were the parents of a son:^[10]

• Henry Hamilton (d. 1850), who in 1808 married Hon. Caroline Penelope Pakenham (d. 1854), a daughter of Edward Pakenham, 2nd Baron Longford, sister of Thomas Pakenham, 2nd Earl of Longford and Catherine Wellesley, Duchess of Wellington (wife of Arthur Wellesley, 1st Duke of Wellington).^[11]
• Rev. Sackville Robert Hamilton (d. 1853), the Rector at Mallow who married Jane Freeman, daughter of Edward Deane Freeman, High Sheriff of County Cork.^[10]

Hamilton died on 29 January 1818.^[10]

Through his son Sackville, he was a grandfather of Sackville Deane Hamilton (1808–1878), who married Eleanor Sankey, and General Henry Hamilton (1812–1891), who married Isabella Freeman (a daughter of Joseph Deane Freeman).^[10]