+———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)
          |
      +———William CAVANAGH (abt Jun 1835 Ireland – 18 Mar 1906 Ontario, Canada)
      |   |        
      |   |   +———Thomas HODGINS
      |   |   |
      |   +———Rebecca HODGINS (28 Oct 1803 Tipperary, Ireland – 11 Jan 1878 Huntley, Ontario, Canada)
      |       |    
      |       +———Mary
      |
  +———George Louis CAVANAGH (17 May 1873 – 1965)
  |   |    
  |   +———Ellen BARBER (abt 1839 – 4 Sep 1934 Ontario, Canada)
  |    
  William Thomas Mervil CAVANAGH (12 Jan 1907 Fitzroy, Ontario, Canada – )
  |    
  +———Sarah Anne “Annie” GRAINGER (30 Jan 1875 – 1963)