1851 census Whitby Ontario West FAREWELL James, b Upper Canada, 35 Isabella, England, 35 John J, 5 Adolphus, 3 Isabella, 1 Sarah, 75, widow, b USA
On the same page is an Aikins? Farewell, 40 and his family.
1861 census Whitby Ontario FAREWELL A Sally Farewell, 81. James and his family are a few doors away. James and Isabelle were married 1846. Says she was born Canada West but census are known for being wrong. There are no family separations on this census but she may be living with a Richard and Mary Grader/Drader. This ink is very faded. Also a Lancelot Farewell is with the family.
Death: Sarah Jane Farewell, died 29 Sept 1968, no age given, died of typhoid. NOrthumberland and Durham. Whitby is in Durham.
Ackeus Moody Farewell, 88, b Vermont USA, died 27 Nov 1869 of old age.East Whitby
There is a Farewell Cemetery in Oshawa but I don't see any Sarah in it.