A William John Fitch died in Dorchester, Vol 8 p33 in 3rd Qtr 1844 as recorded in BMD Index (obtained from http://www.fitch-uk.co.uk/) - who might be a brother
DEATH: Possible BMD Index
4th Qtr 1868: MARY aged 53 at TENTERDEN Vol 2A p 355
3rd Qtr 1867: MARY aged 49 at SAFFRON WALDEN Vol 4A p228
Death not found in BMD Index from 1837-1872 at http://www.fitch-uk.co.uk/