1  Patrick MCDERMOTT 
   +  Johannah “Ann” DOLAN 
      2  William James “James” MCDERMOTT (1844/5 Smiths Falls, Ontario, Canada – bef 1930)
         +  Margaret Ann BOYLE (21 Sep 1853 Huntley Twp, Ontario, Canada – 12 Apr 1930 Hamilton, Ontario, Canada)
            3  Nina MCDERMOTT (abt 1875 Ontario, Canada – )
            3  Nellie MCDERMOTT (abt 1877 Ontario, Canada – )
            3  Charles MCDERMOTT (abt 1882 Ontario, Canada – )
            3  Francis David MCDERMOTT (8 Nov 1885 Hamilton, Ontario, Canada – 20 Mar 1926 Detroit, Michigan, USA)
            3  Norma Josephine MCDERMOTT (abt 1887 Hamilton, Ontario, Canada – )
               +  Roy John MACBETH (abt 1889 Hamilton, Ontario, Canada – )
            3  Robert John MCDERMOTT (24 Oct 1892 Hamilton, Ontario, Canada – )
               +  Margaret WALSH (abt 1892 Hamilton, Ontario, Canada – )