« Reply #2 on: Thursday 18 July 24 11:26 BST (UK) »
There's a John Green b Clewer age 51 on the 1851 census
Piece number 1695, Folio 503, Page 4
he's an unmarried visitor in a household with other Greens. The head is William Green 48 also born Clewer. Might be worth investigating these other Greens to see the connection with John bapt 1799
Berks / Oxon: Eltham, Annetts, Wiltshire (surname not county), Hawkins, Pembroke, Partridge
Dorset / Hants: Derham, Stride, Purkiss, Sibley
Yorkshire: Pottage, Carr, Blackburn, Depledge
Sussex: Goodyer, Christopher, Trevatt
Lanark: Scott (soldier went to Jersey CI)
Jersey: Fowler, Huelin, Scott