1  Arthur ROSS (18 Jul 1819 Longford, Ireland – 13 Oct 1911 Fitzroy, Ontario, Canada)
   +  Catherine GREENE (15 Sep 1830 Pakenham, Ontario, Canada – 20 Feb 1912 Fitzroy, Ontario, Canada)
      2  Catherine ROSS (2 Sep 1850 Fitzroy, Ontario, Canada – 1852 Fitzroy, Ontario, Canada)
      2  Margaret ROSS (1851 Ontario, Canada – aft 1861)
      2  William Alexander ROSS (20 May 1852 – 11 Feb 1919)
         +  Eliza BAIRD (26 Jul 1863 – 28 Dec 1931)
            3  Lena ROSS (1889 – 1961)
               +  Arthur SMYTH (1879 – 1969)
                  4  Ross SMYTH (1915 – 1942)
            3  Lulu ROSS 
               +  WILLIAMS 
            3  Gladys Myrtle ROSS (5 Jul 1899 – 9 Apr 1976)
               +  Ernest Alden GOULD (29 Apr 1898 – 8 Jul 1973)
                  4  Isobel Gladys GOULD (5 Apr 1932 – 10 May 1936)
            3  Mabel K. ROSS (1890 – 1964)
               +  Irwin V. WEIR (1890 – 1967)
            3  ROSS 
      2  John ROSS (1 Oct 1854 – 8 Mar 1926 Red Deer, Alberta, Canada)
         +  Emily SMITH (27 Aug 1862 – Feb 1951)
            3  ROSS 
            3  ROSS 
            3  ROSS 
            3  ROSS 
            3  ROSS 
            3  ROSS 
      2  Albert Arthur ROSS (1 Sep 1861 – )
      2  Isabella ROSS (1857 Ontario, Canada – )
      2  Frederick Alfred ROSS (31 Jul 1867 – 7 Jul 1950 Fitzroy, Ontario, Canada)
         +  Georgina GOURLEY (27 Mar 1873 – 18 Apr 1956)
            3  Lloyd F. A. ROSS (10 Apr 1902 Ontario, Canada – 3 May 1989)
               +  Jean Sybil GRAHAM (30 May 1907 – 8 May 1992)
            3  Violet Georgia ROSS (1909 – 1963)
               +  George D. BROWN (1911 – 1943)
      2  Thomas George ROSS (4 Apr 1859 Fitzroy, Ontario, Canada – 11 Nov 1908 Montreal, Quebec, Canada)
         +  Elizabeth Wilhelmina “Mina” BAIRD (31 Jan 1871 Kinburn, Ontario, Canada – 25 Dec 1950)
            3  Lila ROSS 
               +  CARSON 
            3  Myrtle ROSS 
      2  Edmund James ROSS (6 Dec 1872 – 8 Dec 1954)
         +  Beatrice Maude “Maude” GREENE (11 Mar 1897 Torbolton, Ontario, Canada – 9 Jun 1945)
      2  Elijah Edwin ROSS (28 Dec 1875 Ontario, Canada – 5 Jan 1929)
         +  Mary Ann SMITH (20 Feb 1879 Ontario, Canada – 19 Feb 1963)
            3  Edwin Lorne “Lorne” ROSS (1907/8 Ontario, Canada – 28 Feb 1924)
            3  Ruby J. ROSS (abt 1910 Ontario, Canada – )
               +  CAVANAGH 
            3  C. E. Maude “Maude” ROSS (12 Dec 1911 Ontario, Canada – 26 Nov 2009)
               +  G. Elmer CAVANAGH (30 Jan 1910 – 24 Dec 2001)
      2  Catherine Ann ROSS (1865 – 1941)
         +  William James GREENE (Oct 1866 Pakenham Twp, Lanark Co, Ontario, Canada – 1948 Fitzroy Twp, Carleton Co, Ontario, Canada)