"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q27J-Q1XQ : 18 August 2016), Elizabeth Hallam in household of George Hallam, Walton On The Wolds, Leicestershire, England; from "1881 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 11, Piece/Folio 3150/156, The National Archives, Kew, Surrey; FHL microfilm 101,774,881.
Elizabeth possibly married William Hudson in 1888:
"England and Wales Marriage Registration Index, 1837-2005," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2D6M-L8Y : 13 December 2014), Elizabeth Hallam, 1888; from “England & Wales Marriages, 1837-2005,” database, findmypast (http://www.findmypast.com : 2012); citing 1888, quarter 4, vol. 7A, p. 311, Barrow Upon Soar, Leicestershire, England, General Register Office, Southport, England.
"England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:WDQJ-72M : 15 October 2015), Elizabeth Hudson in household of William Hudson, Barrow Upon Soar, Leicestershire, England; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Leicestershire county, subdistrict, The National Archives of the UK, Kew, Surrey.
If this is correct, then the death date for Elizabeth is 11 Jan 1943:
"England and Wales Death Registration Index 1837-2007," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVCH-LD6D : 4 September 2014), Elizabeth Hudson, 1943; from "England & Wales Deaths, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Death, Barrow Upon Soar, Leicestershire, England, General Register Office, Southport, England.
"Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QV2Y-YWCS : 13 December 2015), Elizabeth Hudson, 1943; Burial, Barrow-upon-Soar, Charnwood Borough, Leicestershire, England, Barrow-Upon-Soar Cemetery; citing record ID 80444601, Find a Grave, http://www.findagrave.com.