Winchilsea in May of 1815 and was the son of George Finch-Hatton, 10th Earl of Winchilsea and 5th Earl of Nottingham and his first wife Lady Georgiana Charlotte, daughter of James Graham, 3rd Duke of Montrose. In 1858 he succeeded his father in the earldom and entered the House of Lords.
In the mid-1860s, Lord Winchilsea experienced serious financial difficulties, which eventually forced him to leave his property at Eastwell Park in Kent. On 4 December 1868 trustees appointed under the Winchilsea Estate Acting (1865) entered into a contract to let Eastwell Park, together with its furnishings and effects, to the Duke of Abercorn for a period of five years. Lord Winchilsea had been obliged to vacate the property some time prior to December 1868, and he was formally adjudged bankrupt on 5 October 1870.
Eastwell was next occupied by Prince Alfred, Duke of Edinburgh, the second son of Queen Victoria.
George Finch-Hatton, Viscount Maidstone (1852–1879), died aged 27 with no children
There were no children from this marriage. Lord Winchilsea died in June 1887, aged 72.
Lady Winchilsea died in February 1904.
13th United Kingdom Parliament]
Winchilsea was elected Member of Parliament for Northamptonshire North in 1837, a seat he held until 1841.
