1911 personal census, Lucan, Middlesex Co., ON, image from Library and Archives Canada:
Sprowl Charles, M, Head, Married, Sept 1852, 29, Ont, English, English, Anglican, Wagon maker;
Sprowl Mary, F, Wife, Married, March 1862, 49, Ont, English, Can, Anglican;
Sprowl Jack, M, Son, Single, July 1891, 20, Ont, English, Can, Anglican, Operator;
Sprowl Charles, M, Son, Single, Dec 1899, 12, Ont, English, Can, Anglican, 8 months in school;
Sprowl Minerva, F, Daughter, Single, July 1896, 15, Ont, English, Can, Anglican.