+———Johann-Nicholas SHOULDISH (abt 1700 Rhineland, Germany – 10 May 1757 Castletownarra, Tipperary, Ireland)
                  |
              +———Leonard SHOULDICE (abt 1732 Castletownarra, Tipperary, Ireland – abt 1808 Kilderrydafrum, Tipperary, Ireland)
              |   |    
              |   +———Mary Elizabeth SCHALLES
              |
          +———Nicholas SHOULDICE (abt 1760 Kilderrydadrum, Tipperary, Ireland – abt 1825 Bell's Corners, Carleton, Ontario, Canada)
          |
      +———James SHOULDICE (1 Aug 1786 Dunkerrin, Tipperary, Ireland – 14 May 1864 Wakefield, Quebec, Canada)
      |   |    
      |   +———Susanna MOONEY (abt 1764 Tipperary, Ireland – 1844)
      |
  +———James SHOULDICE (7 Apr 1822 Bells Corners, Ontario, Canada – 6 Apr 1895 Wakefield, Quebec, Canada)
  |   |    
  |   +———Jane BOYD (abt 1789 Ireland – 12 Aug 1872 Quebec, Canada)
  |    
  James SHOULDICE (16 Mar 1848 Masham, Quebec, Canada – 6 Mar 1921 Wakefield, Quebec, Canada)
  |        
  |   +———Joseph IRWIN (abt 1805 Briscarnagh, Currin Par, County Monaghan, Ireland – 28 Sep 1876 Danford, Quebec, Canada)
  |   |
  +———Anne IRWIN (1829 Wakefield, Quebec, Canada – 1886 Macham, Quebec, Canada)
      |        
      |   +———James PRITCHARD (1783 Currin Par, County Monaghan, Ireland – 10 Jun 1880 Wakefield Twp, Quebec, Canada)
      |   |
      +———Mary PRITCHARD (1808 Currin Par, County Monaghan, Ireland – 28 Mar 1885 Irwin Settlement, Masham, Quebec, Canada)
          |    
          +———Judith FERGUSON (1788 Currin Par, County Monaghan, Ireland – 29 Dec 1852 Wakefield Twp, Quebec, Canada)