+———James IRVINE
      |
  +———Thomas IRVINE (1851 – )
  |   |    
  |   +———Catharine MOREHEAD
  |    
  Margaret Ann IRVINE (26 May 1873 Carleton Place, Ontario, Canada – )
  |            
  |       +———Michael GREENE (1761 Castletownroche, Cork, Ireland – 1844 Castletownroche, Cork, Ireland)
  |       |
  |   +———Thomas F. GREENE (1790 Castletownroche, County Cork, Ireland – 27 Dec 1872 Fitzroy, Ontario, Canada)
  |   |   |    
  |   |   +———Ann (1765 Castletownroche, Cork, Ireland – Castletownroche, Cork, Ireland)
  |   |
  +———Ann GREENE (1851 – )
      |    
      +———Margaret ANDREWS (1806 – 1 Feb 1851)