Is this her?? Baptism (IGI) 22 Feb 1761 Mary Carnell at Spitalfields Christ Church, Stepney.
PP-176 records a Mary Attryde aged 85 who died in Long Ditton 17 March 1867. Is this her??
1841 Surrey Census (Ancestry.com): Mary Attride (80) living in St George the Martyr with Jane Attride (35), both born in Surrey.
Is this her?? Death Register: Dec. Qtr 1845 St Pancras. (PP-199 & PP-205)
Is this her?? Death Register: May Qtr 1845 St George South. (PP-199)