Is Maria a widow in 1871? Perhaps only Susanna ended up in Australia.
1881
RG11 Piece / Folio 1346 / 85 Page 2
Census Place Ealing, Middlesex, England
Dwelling 3 Ranelagh Rd
Name Relation Marital Status Gender Age Birthplace Occupation Disability
Francis SACH Head M Male 29 Ealing, Middlesex, England Railway Clerk
Jane SACH Wife M Female 30 Marylebone, Middlesex, England Wife Of Railway Clerk
Frances SACH Daur Female 6 Ealing, Middlesex, England Scholar
Amy SACH Daur Female 4 Ealing, Middlesex, England
Maud SACH Daur Female 2 Ealing, Middlesex, England
Maria GORDON Boarder W Female 64 Maidenhead, Berkshire, England Railway Clerks Mother
Chas. E. GORDON Boarder U Male 32 London, London, Middlesex, England Railway Clerk