This is Ophelia Humberston -also known as Euphamy in the 1861 census. She was born at Saltfleet in 1786 but lived in Marshchapel for many yeas and had 8 children here, including twin girls.
Her death is not recorded in the Church register but she received 5 shillings from the Village Charity in 1867 and that was the last record of her.