Hi Louise
1911 census lookups are not permitted on Rootschat for reasons covered elsewhere on the site.
Have you already found Mary Eliza in 1891? She is enumerated as aged 7 and born Bright Waltham, Berks - living in Weston Village, Welford, Berks with father Robert (40, shepherd, b Chaddleworth Berks) and mother Mary A (39, b Boxford Berks) and several siblings.
1891 census ref: RG12/970/136/2.