1  William GRAINGER (abt 1806 Galway, Ireland – aft 1870)
   +  Hester “Esther” DUKE (abt 1821 Leitrim, Ireland – )
      2  Thomas GRAINGER (24 Jun 1842 Fitzroy, Ontario, Canada – 28 Sep 1905 Fitzroy, Carleton, Ontario, Canada)
         +  Elizabeth “Eliza” STORY (May 1852 Ontario, Canada – 4 Dec 1932 Fitzroy Twp, Carleton, Ontario, Canada)
            3  Easter Jane “Essy” GRAINGER (1873 Ontario, Canada – )
               +  Thomas H. CAVANAGH (1866 – )
                  4  Ernest Wilbert CAVANAGH (19 Dec 1898 Fitzroy, Ontario, Canada – )
                  4  Earl Thomas CAVANAGH (7 Feb 1900 Carleton, Ontario, Canada – )
            3  Sarah Ann “Annie” GRAINGER (30 Jan 1875 Fitzroy, Ontario, Canada – 1963 Fitzroy, Ontario, Canada)
               +  Thomas CAVANAGH 
            3  William A. GRAINGER (3 Dec 1876 Ontario, Canada – 1956)
               +  Elizabeth E. JONES (1899 – 1973)
                  4  Robert GRAINGER ( – 1968)
                     +  (Name Unknown)
                        5  Harold GRAINGER 
            3  George E. GRAINGER (14 Feb 1879 Ontario, Canada – 14 Nov 1951)
               +  Martha Jane JONES (30 Nov 1894 – 11 Jul 1989)
            3  Robert Douglas GRAINGER (8 Jan 1881 Ontario, Canada – 1964)
               +  Laura Luvia CAVANAGH (Oct 1889 Ontario, Canada – 1950)
                  4  Robert Eldon GRAINGER (1919 Pakenham, Ontario, Canada – 29 Sep 1919 Fitzroy, Ontario, Canada)
            3  Linda GRAINGER (19 Oct 1883 Ontario, Canada – 1968 Arnprior, Ontario, Canada)
               +  Michael James “Mick” BARBER (3 Aug 1872 Carleton, Ontario, Canada – 1955 Arnprior, Ontario, Canada)
                  4  Norman Lewis BARBER (1913 Fitzroy Twp, Carleton Co, Ontario, Canada – 1982)
                  4  Mary BARBER (28 Jun 1915 Lot 7-Con. 5, Fitzroy, Ontario, Canada – )
                  4  Willard Richard BARBER (28 Jun 1915 Fitzroy, Carleton Co, Ontario, Canada – )
                  4  Ena Muriel BARBER (8 Jul 1918 Kinburn, Carleton Co, Ontario, Canada – )
                  4  Amy BARBER (8 Jul 1918 Kinburn, Carleton Co, Ontario, Canada – )
                     +  Ellwood Archibald CAMERON 
                  4  Pearl BARBER (Kinburn, Carleton Co, Ontario, Canada – living)
            3  Gilbert GRAINGER (14 Jun 1888 Ontario, Canada – 1962)
               +  Ruby P. BRYDGES (1896 – 1990)
            3  David Cecil “Cecil” GRAINGER (24 Jan 1891 Ontario, Canada – 1951)
               +  Edna JONES (1901 – 1988)
                  4  William J. GRAINGER (1929 – 2001)
                     +  Barbara DARK ( – living)