Rush supplied 1853 date of death from genealogical web site, assuming that this is the Ralph Thicknesse of Beech Hill, Wigan, who drowned in Lake Windermere on that date. S. Lees supplied 1 Nov. 1842 date of death from death certificate. Other printed sources give date of death as 1 Oct., 8 Nov. or 10 Nov. 1842.