+———John MCNABB (11 Dec 1833 Kirkintillock, Dunbartonshire, Scotland – 19 Jul 1879)
          |
      +———John MCNABB (27 Oct 1865 Scarborough, Ontario, Canada – 29 Aug 1919 Thornhill, Manitoba, Canada)
      |   |        
      |   |   +———Andrew BLAIR
      |   |   |
      |   +———Isabella Eliza “Eliza” BLAIR (30 Mar 1828 Scotland – 8 Nov 1910 RM of Pembina, Manitoba, Canada)
      |       |    
      |       +———Grizel DOUGLAS
      |
  +———Chester John Attwood MCNABB (28 Dec 1899 Thornhill, Manitoba, Canada – 24 Feb 1971 Regina, Saskatchewan, Canada)
  |   |                
  |   |           +———William (unverified) BOYLE (abt 1770 Ireland – Ireland)
  |   |           |
  |   |       +———Thomas BOYLE (abt 1793 of Ballymodan, County Cork, Ireland – 18 Nov 1846 Pakenham, Ontario, Canada)
  |   |       |   |    
  |   |       |   +———Sophie (unverified) DAVIES
  |   |       |
  |   |   +———William BOYLE (7 Jul 1815 of County Cork, Ireland – 30 Dec 1895 Thornhill, Manitoba, Canada)
  |   |   |   |    
  |   |   |   +———Margaret “Mary” CHECKLEY (abt 1791 of Ireland – 3 Feb 1836 Pakenham, Ontario, Canada)
  |   |   |
  |   +———Janet Ann “Jennie” BOYLE (6 Oct 1868 Huntley Twp, Ontario, Canada – 3 Jan 1918 Thornhill, Manitoba, Canada)
  |       |        
  |       |   +———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)
  |       |   |
  |       +———Sarah Jane WHITEHEAD (7 Jul 1838 USA – 16 Jan 1877 Pakenham, Ontario, Canada)
  |           |    
  |           +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)
  |    
  Margaret Anne MCNABB (5 May 1931 – 13 Oct 1935)
  |        
  |   +———Samuel Henry STEVENSON
  |   |
  +———Eva Amelia Jane STEVENSON (24 Jun 1906 Toronto, Ontario, Canada – 24 Sep 1996 Regina, Saskatchewan, Canada)
      |    
      +———Margaret PAISLEY