Born: About 1850, Darlington, County Durham, England
Married: 1866[ 1 ]
Census 1871: Wakefield All Saints, Yorkshire, England: Mary Hammond, Female, 21, Married, Wife, 1850, Birthplace Darlington, Durham[ 2 ]
Census 1881: Horbury, Yorkshire West Riding, England: Mary Hammond, Female, 32, Married, Wife, Birthplace Darlington, Durham, England[ 3 ]
Census 1891: Horbury, Yorkshire (West Riding): Mary Hammond, Female, 41, Married, Wife, Birthplace Durham[ 4 ]
Census 1901: Horbury, Yorkshire, England: Mary Hammond, Female, 53, Wife, Birthplace Darlington, Durham[ 5 ]
Sources
GRO: 1866 Jun Hammond Walter / Gray Mary Darlington 10a 19
"England and Wales Census, 1871", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KZGL-SVL : 24 April 2019), Mary Hammond in entry for Walter Hammond, 1871.
"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q27Y-9P4F : 11 December 2017), Mary Hammond in household of Walter Hammond, Horbury, Yorkshire,Yorkshire West Riding, England; from "1881 England, Scotland and Wales Census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 38, Piece/Folio 4580/44, The National Archives, Kew, Surrey; FHL microfilm 101,775,286.
"England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:7FZ4-V2M : 7 May 2019), Mary Hammond in household of Walter Hammond, Horbury, Yorkshire, England, United Kingdom; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Yorkshire, Yorkshire (West Riding) county, subdistrict, The National Archives of the UK, Kew, Surrey.
"England and Wales Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:X95S-DHV : 21 May 2019), Mary Hammond in household of Walter Hammond, Horbury, Yorkshire, England, United Kingdom; from "1901 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing Horbury subdistrict, PRO RG 13, The National Archives, Kew, Surrey.