1921 personal census, McGillivray Twp, then Huron Co., ON, image from Library and Archives Canada:
Williams Earnest, Lot 18 Con 1, Head, M, Married, 45, born Ont, father born Ont, mother born Ont, Can, Irish, Meth, Farmer, own farm;
Williams Sofa, Wife, F, Married, 46, b. Ont, f.b. Ireland, m.b. Ireland, Can, Irish, Meth;
Williams Earnest, Son, M, Single, 13, b. Ont, f.b. Ont, m.b. Ont, Can, Irish, Meth, 9 months in school;
Williams John, Son, M, Single, 6, b. Ont, f.b. Ont, m.b. Ont, Can, Irish, Meth;
Williams Williams, Father, M, Married, 81, b. Ont, f.b. Ireland, m.b. Ireland, Can, Irish, Meth;
Williams Francess, Mother, F, Married, 79, b. Ont, f.b. Ireland, m.b. Ont, Can, Irish, Meth.