JOHN (ST.), a parish in the southern division of the hundred of EAST, county of CORNWALL, 6 miles (S. E.byE.) from St. Germans, containing 178 inhabitants. The living is a rectory, in the archdeaconry of Cornwall, and diocese of Exeter, rated in the king's books at £12. 12. 6., and in the patronage of the Rt. Hon. R. P. Carew. Almshouses for six poor persons were founded, in 1680, by Alice Brooking. This village is situated at the head of the aestuary called St. John's lake, opposite to Devonport; and the parish extends southward to the English channel, part of which, though locally situated on the Cornish side, belongs to the county of Devon.