1851 England Census: Name: Mary Rigby; Event Place: Windle, Lancashire, England; Registration District: Prescot; Gender: Female; Age: 1; Relationship to Head of Household: Daughter; Birth Year (Estimated): 1850; Birthplace: Prescot, Lancashire
George Rigby Head M 36 Prescot, Lancashire
Ann Rigby Wife F 35 Prescot, Lancashire
John Rigby Son M 12 Prescot, Lancashire
Elizabeth Rigby Daughter F 8 Prescot, Lancashire
Thomas Rigby Son M 5 Prescot, Lancashire
Edward Rigby Son M 4 Prescot, Lancashire
Mary Rigby Daughter F 1 Prescot, Lancashire
1861 England Census: Name: Mary Rigby; Event Place: Sutton, Lancashire, England, United Kingdom; Ecclesiastical Parish: St Marys; Registration District: Prescot; Residence Note: Ravenhead Terrace; Gender: Female; Age: 12; Marital Status: Single; Occupation: Scholar; Relationship to Head of Household: Daughter; Birth Year (Estimated): 1849; Birthplace: St Helens, Lancashire
Elizabeth Rigby Daughter F 18 St Helens, Lancashire
Thomas Rigby Son M 15 St Helens, Lancashire
Mary Rigby Daughter F 12 St Helens, Lancashire
George Rigby Son M 8 St Helens, Lancashire
William Rigby Son M 5 St Helens, Lancashire
Edward Rigby Son M 2 St Helens, Lancashire
George Rigby Head M 46 St Helens, Lancashire
Alice Rigby Wife F 41 St Helens, Lancashire
Alice Rigby Daughter F 23 St Helens, Lancashire
John Rigby Son M 21 St Helens, Lancashire
Ellen Rigby Daughter F 20 St Helens, Lancashire
Elizabeth Rigby Daughter F 18 St Helens, Lancashire
Thomas Rigby Son M 15 St Helens, Lancashire
Mary Rigby Daughter F 12 St Helens, Lancashire
George Rigby Son M 8 St Helens, Lancashire
William Rigby Son M 5 St Helens, Lancashire
Edward Rigby Son M 2 St Helens, Lancashire
1871 England Census: Name: Mary Rigby; Event Place: Eccleston, Lancashire, England, United Kingdom; Sub-District: St Helen; Gender: Female; Age: 22
Marital Status: Unknown; Occupation: Glass Worker; Relationship to Head of Household: Daughter; Birth Year (Estimated): 1849; Birthplace: St Helens, Lancashire
George Rigby Head M 55 St Helens, Lancashire
Elizabeth Rigby Daughter F 27 St Helens, Lancashire
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SG5Q-QYF : 12 September 2019), Mary Rigby in household of George Rigby, Windle, Lancashire, England; citing Windle, Lancashire, England, p. 40, 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.
"England and Wales Census, 1861," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M7BV-CKM : 24 October 2019), Mary Rigby in household of Elizabeth Rigby, Sutton, Lancashire, England, United Kingdom; 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.