Name, birth, marriage and death information from Micheline Champagne.

In the 1861 Canadian census Middlesex, Canada West.
William Simpson, farmer, born England, E. Methodist, age 43.
Catherine Simpson, born Ireland, age 36.
Agnes Simpson, born Upper Canada, age 12, member of family, attended school within year.
Thomas Simpson, labourer, born Upper Canada, age 11, attended school, member of the family.
Robert Simpson, born Upper Canada, age 9, attended school.
Mary M. Simpson, born Upper Canada, age 7, attended school, member of the family.
Jane Simpson, born Upper Canada, age 5, member of family.
Isaac J. Simpson, born Upper Canada, age 2, member of family.
Elizabeth A. Simpson, born Upper Canada, age 1, member of family.

In the 1881 census Mosa, Middlesex West, Ontario.
William Simpson, age 65, born England, Methodist Episcopal, farmer.
Catharine Simpson, age 55, born Ireland.
Thomas Simpson, age 30 born Ontario, farmer.
Mary Simpson, age 27, born Ontario.
Jane Simpson, age 24, born Ontario.
Isaac Simpson, age 22, born Ontario, farmer.
Elizabeth Simpson, age 20, born Ontario.
Elorn [Probably Helen] Simpson, age 18, born Ontario.
Catherine Simpson, age 16, born Ontario.
William Simpson, age 14, born Ontario.

In the 1891 Canadian census Mosa Township, Middlesex County, Ontario.
Head William Simpson, age 75, born England, both parents are born in England, Methodist, farmer.
Wife Catherine G. Simpson, age 65, born Ireland, parents both born in Ireland.
Daughter Mary M. Simpson, age 35, born Ontario.
Son Isaac J. Simpson, age 32, born Ontario.
Daughter Cassie Simpson, age 26, born Ontario.
Son William J. Simpson, age 23, born Ontario.

In the 1901 Canadian Census Mosa Township, Middlesex county, Ontario.
Head Isaac J. Simpson, born December 2, 1858, age 42, born Ontario, Canadian, Methodist, farmer, employer working on his own account.
Wife Mary J. Simpson, born January 5, 1869, age 32, born Ontario, Scotch origin, Canadian, Methodist.
Daughter Sarah A. Simpson, born September 18, 1894, age 6, born Ontario, Canadian, Methodist, 5 months in school in year.
Daughter Cathleen Simpson, born July 1, 1899, age 1, born Ontario.
Son William J. Simpson, born November 17, 1900, age 4 months, born Ontario.
The next family listed in Isaac’s parents.

In the 1911 Canadian Census
Mosa Township, Middlesex County, Ontario
Head Isaac J. Simpson, born December 1858, age 52, born Ontario, farmer
Wife Mary J. Simpson, born January 1869, age 42, born Ontario
Daughter Sarah A. Simpson, born September 1894, age 16, born Ontario
Daughter Catherine Simpson, born July 1899, age 11, born Ontario
Son William J. Simpson, born December 1900, age 10, born Ontario
Son John D. Simpson, born November 1903, age 5, born Ontario
Daughter Mary J. Simpson, born January 1905, age 5, born Ontario
Daughter Margaret Simpson, born February 1908, age 3,born Ontario
Daughter Elizabeth E. Simpson, born May 1910, age 1, born Ontario
Sister Mary M Simpson, single, born April 1854, age 57, born Ontario

Name, birth, marriage and death information from Micheline Champagne.

Last Name sometimes shown as Stuart and sometimes Stewart.