She is known from the 1861 census living in Prittlewell with her parents, aged 10.
In 1881 Dwelling: 10 Jurdons Cottages, Prittlewell, Essex, England
Ref RG11 Piece 1770 Folio 36 Page 25
John C. Saunders, age 26, a bricklayer's labourer born Rayleigh, Essex, England
Mary A Saunders his wife aged 29 born Prittlewell, Essex, England
Charles J. Saunders his son aged 2 born Prittlewell, Essex, England
George A. Saunders his son aged 1 born Prittlewell, Essex, England
In 1901 - Redcliffe, Prittlewell - RG13/1680/136 p38
John C Saunders head aged 46, builder born Rayleigh
Annie M Saunders wife aged 37 born Southend on Sea
Bertie Saunders son aged 19, bricklayer born Prittlewell
Arthur Saunders son aged 17 bootmaker & repairer born Prittlewell
Harriet S Saunders daughter aged 15 born Prittlewell
Dora R F Saunders daughter aged 10 born Southend on Sea