Background
Finch was the son of Heneage Finch, 3rd Earl of Aylesford and his wife Lady Charlotte Seymour, daughter of Charles Seymour, 6th Duke of Somerset.
Finch was the son of Heneage Finch, 3rd Earl of Aylesford and his wife Lady Charlotte Seymour, daughter of Charles Seymour, 6th Duke of Somerset.
He was then elected as an Member of Parliament for Maidstone, Kent on 16 May 1777 and held the seat until 8 September 1780. Finch married Jane Wynne, the daughter of Watkin Wynne of Voelas, Denbighshire on 28 December 1778. Their son was Charles Wynn Griffith-Wynne (4 March 1780 – 22 March 1865).
14th Parliament of Great Britain]
Finch was an Member of Parliament (Member of Parliament) for Castle Rising, Norfolk from 1775 to 1777.