Mary OCKENDEN can be found on the following English Census records:
1871 - Littlehampton, Sussex, England, Class: RG10; Piece: 1109; Folio: 41; Page: 51; GSU roll: 827513.
http://search.ancestry.co.uk/cgi-bin/sse.dll?db=uki1871&indiv=try&h=108946271881 - 49 River Rd, Littlehampton, Sussex, England, Class: RG11; Piece: 1120; Folio: 15; Page: 24; GSU roll: 1341274.
http://search.ancestry.co.uk/cgi-bin/sse.dll?db=uki1881&indiv=try&h=221537801891 - Littlehampton, Sussex, England, Class: RG12; Piece: 548; Folio 10; Page 14; GSU roll: 6095658.
http://search.ancestry.co.uk/cgi-bin/sse.dll?db=uki1891&indiv=try&h=181482601901 - Church St, Littlehampton, Sussex, England, Class: RG13; Piece: 585; Folio: 11; Page: 13.
http://search.ancestry.co.uk/cgi-bin/sse.dll?ti=5538&indiv=try&db=uki1901&h=44921961911 - 45 River Road Littlehampton, Sussex, RG14; Piece: 5350; Schedule Number: 192
http://search.ancestry.co.uk/cgi-bin/sse.dll?db=1911England&indiv=try&h=51629510