"England and Wales Census, 1841," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQK9-D8W : 30 October 2015), Maria Allingham in household of Thos Allingham, St Olave, Surrey, England; from "1841 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives, Kew, Surrey.
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGKQ-SXF : 24 July 2016), Maria Allingham in household of Thomas Wm Allingham, Saint Olave, Surrey, England; citing Saint Olave, Surrey, England, p. 21, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey.
Is Maria your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.