I found the following in the 1901 Glengary,Alexandria, Census. George Kemp born 15 May 1842 Annie17 Frb 1849 Lewis31 Aug 1871 George5 Sep 1874 Mary9 Dec 1875 John5 Sep 1878 Fred1 Jul 1879 Margaret6 Mar 1881 Willie23 Dec 1882 Mary20 Dec 1884 Cecil2 Feb 1887 Thomas2 Feb 1887 David9 Jan 1889
Lewis Kemp is the only Lewis Kemp that fits the time frame from all the info posted online.The break in the birth dates may indicate a remarriage.
A Joseph Sauve b, 1850 and wife Marie born 1857 lived nearby. I'll try to track down a connection.