+———Elisha GRAHAM (Ontario, Canada – )
      |
  +———Douglas Ruggles Kemp GRAHAM (28 Jan 1871 Carleton, Ontario, Canada – 3 Dec 1921 Vancouver, British Columbia, Canada)
  |   |    
  |   +———Lucy KEMP (Ontario, Canada – )
  |    
  Mary Eleanor GRAHAM (25 Sep 1899 Carleton, Ontario, Canada – )
  |                
  |           +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)
  |           |
  |       +———William CAVANAGH (abt 1798 Tipperary, Ireland – 1838 Fitzroy, Ontario, Canada)
  |       |   |    
  |       |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)
  |       |
  |   +———Samuel CAVANAGH (1831 Ontario, Canada – 24 Mar 1898 Lanark, Ontario, Canada)
  |   |   |        
  |   |   |   +———Thomas HODGINS
  |   |   |   |
  |   |   +———Rebecca HODGINS (28 Oct 1803 Tipperary, Ireland – 11 Jan 1878 Huntley, Ontario, Canada)
  |   |       |    
  |   |       +———Mary
  |   |
  +———Catherine CAVANAGH (6 Dec 1872 Ashton, Ontario, Canada – 19 Oct 1960 Maple Rest Home, Vancouver, British Columbia, Canada)
      |    
      +———Mary FANNING (9 Oct 1840 Ontario, Canada – 4 May 1911 Lanark, Ontario, Canada)