1861 Census of Canada West, Lambton County, Euphemia Township (Library and Archives Canada) census photo page 16 line 23
Rebecca Arnold, Place of Birth U S (United States), Religion C E (Church of England), Age next Birthday 30, Female, Married, Log House 1 storey 1 family
1871 Census of Canada, Ontario, Kent, Chatham (Library and Archives Canada) census photo page 80 line 2
Arnold Rebecca, Female, Age 40, Country of Birth U.S., Religion English Church, Origin Irish, Married
"Canada Census, 1871," database, FamilySearch , Rebecca Arnold in household of Henry Arnold, Chatham, Kent, Ontario, Canada; citing p. 80, line 2; Library and Archives Canada film number C-9892, Public Archives, Ottawa, Ontario; FHL microfilm 4,396,285.
"Canada Census, 1881," database, FamilySearch  , Rebeca Arnold in household of Henery Arnold, Sombra, Bothwell, Ontario, Canada; citing p. 44; Library and Archives Canada film number C-13276, Library and Archives Canada, Ottawa, Ontario; FHL microfilm 1,375,912.
"Find A Grave Index," database, FamilySearch , Rebecca Arnold, 1901; Burial, Wallaceburg, Chatham-Kent Municipality, Ontario, Canada, Riverview Cemetery; citing record ID 89219770, Find a Grave,