It looks as if Esther died before 1851 Census
Hoddom
Christopher Scott, widower, 75, Pauper (Weaver -Cotton}, b. St Mungo
Mary, d. unm, 36, bobbin weaver
Christopher, grdson, unm, 21, weaver (cotton)
John, grdson, 11 weaver (cotton) app
Eliza, grdd, 11
Robert, grdson, 5
Added - all the online trees have Christopher's wife as Esther Weald/Wield