+———John OLIVE (1788 Borriskane, Ireland – 27 Apr 1867)
          |
      +———Thomas OLIVE (1834 Ontario, Canada – bet 1891 and 1901 Ontario, Canada)
      |   |        
      |   |   +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)
      |   |   |
      |   +———Mary CAVANAGH (abt 1800 Tipperary, Ireland – 16 Oct 1867 Huntley, Ontario, Canada)
      |       |    
      |       +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)
      |
  +———John Edward OLIVE (1862 Ontario, Canada – 1938)
  |   |    
  |   +———Alesha GREENE (18 Dec 1839 Ireland – 4 Jan 1914)
  |    
  Ella Mary OLIVE (1890 – 1961)
  |    
  +———Eliza Jane HURST (1862 – 1938)