In the 1911 census Grenville district, South Gower sub district, Ontario. Head Silas Collison February 18??, Ontario, German nationality, Methodist , farmer. Margaret Collison born July 1870 Ontario, French. Minnie Collison born August 1888 Ontario. James Collison born January 1895 Ontario. David Collison born April 1899 Ontario. Harvey Collison born August 1900 Ontario. Mabel Collison born October 1903 Ontario. Daisy Collison born September 1905 [must be an error] Ontario. Garnet Collison born September 1907 Ontario.