+———Gilbert George MCMURTRY (1859 – 1943)
  |    
  Ethel Isabel MCMURTRY (1887 – 1954)
  |                
  |           +———Capt. Hamilton LOWRY (1763 Ards, County Down, Ireland – 15 Sep 1864 Carleton Co, Ontario, Canada)
  |           |   |    
  |           |   +———Ann
  |           |
  |       +———Savage LOWRY (1802 Ballymacoshen, County Down, Ireland – 14 May 1841 Carleton Co, Ontario, Canada)
  |       |   |    
  |       |   +———Agnes (1771 County Down, Ireland – bef 1826 County Down, Ireland)
  |       |
  |   +———Hamilton “Big Hammy” LOWRY (17 Nov 1824 Killinchy Par, County Down, Ireland – 3 Jan 1892 Fitzroy Twp, Carleton Co, Ontario, Canada)
  |   |   |    
  |   |   +———Jane (1796 Lisburn, Ireland – )
  |   |
  +———Susanna LOWRY (3 Mar 1861 – 3 Apr 1920)
      |        
      |   +———James MOORHEAD (Ireland – 19 Sep 1922 Huntley, Ontario, Canada)
      |   |
      +———Mary MOORHEAD (16 Mar 1832 Huntley, Ontario, Canada – 25 Sep 1921 Huntley, Ontario, Canada)
          |    
          +———Susanna