1901 personal census, Biddulph Twp, Middlesex Co., ON, image from Library and Archives Canada:
Simpson Moses, M, Head, Married, 7 March 1862, 39, Ont, Irish, Can, Ch of Eng, Farmer;
Simpson Mary E., F, Wife, Married, 9 June 1866, 34, Ont, Irish, Can, Ch of Eng;
Simpson Pearl, F, Daughter, Single, 19 Dec 1888, 12, Ont, Irish, Can, Ch of Eng, 10 months in school;
Simpson Ella, F, Daughter, Single, 16 June 1889, 11, Ont, Irish, Can, Ch of Eng, 10 months in school;
Simpson Joseph E., M, Son, Single, 16 July 1895, 5, Ont, Irish, Can, Ch of Eng;
Simpson Verna, F, Daughter, Single, 2 March 1899, 2, Ont, Irish, Can, Ch of Eng.