1  Thomas MULLIGAN (1836 – 1896)
   +  Margaret DRURY (1845 – 1921)
      2  James Albert MULLIGAN (1867 – 1942)
         +  Sarah Hannah CAVANAGH (1867 – 3 Jan 1937 North Gower, Ontario, Canada)
      2  Sarah Hannah MULLIGAN (1865 – 1944)
         +  John Andrew CAVANAGH (1862 – 31 Oct 1918 Pakenham, Ontario, Canada)
            3  Maggie Ellen CAVANAGH (7 Mar 1903 Fitzroy, Ontario, Canada – 1963)
               +  A. Lancelet DOWNEY (1903 – 1989)
            3  Myrtle L. CAVANAGH (13 Feb 1908 Fitzroy, Ontario, Canada – 13 Feb 1908 Fitzroy, Ontario, Canada)
      2  Alice Louisa MULLIGAN (19 Jul 1879 Huntley, Ontario, Canada – )
         +  William Henry CAVANAGH (1875 – aft Sep 1944)
            3  Alvin Horace CAVANAGH (8 Sep 1904 Pakenham, Ontario, Canada – )
            3  Stella Elizabeth CAVANAGH (19 Feb 1910 Pakenham, Ontario, Canada – )
      2  T. J. Willard MULLIGAN (1882 – 1958)
         +  Irene Wilson “Effie” OWENS (23 Mar 1892 Fitzroy, Ontario, Canada – 1983)