"England Births and Christenings, 1538-1975," database, FamilySearch (30 December 2014, Mary Feather, 22 Jun 1808); citing HAWORTH,YORK,ENGLAND, index based upon data collected by the Genealogical [https://familysearch.org/ark:/61903/1:1:J7WR-BH9]
"England Marriages, 1538–1973 ," database, FamilySearch (10 December 2014), John Whitaker and Mary Feather, 09 Jul 1832; citing Bradford, York, England, reference 120; FHL microfilm 990,539. [https://familysearch.org/ark:/61903/1:1:NJ2Q-F2X]
"England and Wales Census, 1841," database with images, FamilySearch (13 December 2017), Mary Whitaker in household of John Whitaker, Bradford, Yorkshire,Yorkshire West Riding, 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. [https://familysearch.org/ark:/61903/1:1:MQ5W-R7P]
"England and Wales Census, 1851," database with images, FamilySearch (2 November 2017), Mary Whitaker in household of John Whitaker, , Yorkshire,Yorkshire (West Riding), England; citing , Yorkshire,Yorkshire (West Riding), England, p. 9, 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. [https://familysearch.org/ark:/61903/1:1:SP92-QMF]
"England and Wales Census, 1861," database with images, FamilySearch (14 December 2017), Mary Whitaker in household of John Whitaker, Haworth, Yorkshire (West Riding), England; from "1861 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 9, The National Archives, Kew, Surrey. [https://familysearch.org/ark:/61903/1:1:M748-834]
"England and Wales Census, 1871", database with images, FamilySearch (23 April 2019), Mary Whitaker, 1871. [https://familysearch.org/ark:/61903/1:1:VBHG-HQS]
"England and Wales Census, 1881," database with images, FamilySearch (11 December 2017), Mary Whitaker, Haworth, Yorkshire,Yorkshire West Riding, England; from "1881 England, Scotland and Wales Census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 6, Piece/Folio 4353/70, The National Archives, Kew, Surrey; FHL microfilm 101,775,220. [https://familysearch.org/ark:/61903/1:1:Q27R-XB85]
GRO Death Index: 1885 Mar Whitaker Mary 76 Keighley 9A 157