Finch was educated at Cambridge, and in 1605-6 travelled through France and Italy. Though commissioned to report to the secretary of state, the earl of Salisbury (Robert Cecil†), on continental affairs, he was a reluctant correspondent.
It has not been ascertained how Finch qualified himself for a seat on the East Riding bench in 1618, but as his wife was fourth cousin to Sir William Strickland, 1st Bt.†, Finch may have obtained a sufficient freehold on the Boynton estate. Although he succeeded his elder brother as head of the family in 1619, the bulk of the Kentish property remained in his mother’s hands. Consequently, he probably resided on the manor of Icklesham, adjoining Winchelsea, which had been held by his ancestors since the reign of Edward III.
Finch relinquished his claim at Winchelsea at the next election in favour of his brother John, who had paid off a debt for him,
