On 15 August 1746, Finch married Anne Palmer (b.1709 – March 1795), daughter and co-heiress of
Sir Thomas Palmer, 4th Baronet, of Wingham and sister to Mary Palmer, Countess of Winchilsea, by special licence, at the house of his older brother,
Daniel Finch, 8th Earl of Winchilsea, in Sackville Street, Mayfair. Their children were
double first cousins. In October 1764, he and his sons but not daughters took the additional surname "Hatton" in accordance with the will of his half-aunt Anna Maria Hatton. m.
Lady Elizabeth Murray, dau of
2nd Earl of Mansfield, had many issues include
George William Finch-Hatton, 10th Earl of Winchilsea. • Anne Finch (b. 17 November 1750), unmarried. • Harriett Frances Charlotte Finch (b. 19 February 1752 – 1821) "Lady Gordon". married
Sir Jenison William Gordon, 2nd Baronet. No issue • Mary Henrietta Elizabeth Finch (b. 12 May 1754 – Mar 1822), unmarried. •
John Emilius Daniel Edward Finch-Hatton (b. 19 May 1755, d. Jan 1841), unmarried. his wife Mrs. Finch-Hatton (Anne Palmer) of Manchester Square survived him by another 24 years and died in March 1795 at Eastwell Park, their son's newly rebuilt house by Bonomi. Out of his 5 children, only one had issues. Their eldest son
George became an MP, and was succeeded in turn by his own son
George Finch-Hatton, who inherited the family's title and became the 10th Earl of Winchilsea. ==References==