+———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)
          |
      +———Dennis CAVANAGH (abt 1792 Tipperary, Ireland – 18 Dec 1858 Huntley, Ontario, Canada)
      |   |    
      |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)
      |
  +———Thomas CAVANAGH (11 Jul 1843 Fitzroy, Ontario, Canada – 2 Apr 1928 Kinburn, Ontario, Canada)
  |   |    
  |   +———Jane CARTER (1801 Ireland – 22 Nov 1878 Huntley, Ontario, Canada)
  |    
  Thomas Albert CAVANAGH (16 Jul 1883 Ontario, Canada – )
  |    
  +———Christina ACRES (17 Oct 1855 Ontario, Canada – 15 Feb 1936 Kinburn, Ontario, Canada)