1  William Donaldson CROSSLEY (27 Jun 1825 Crumlin, Antrim, Ireland – 20 Oct 1864 Belfast, Ireland)
   +  Emily LLOYD (abt 1825 – )
      2  Elizabeth Jane CROSSLEY (9 Jun 1848 Dublin, Ireland – )
         +  Frederick Charles OSTERTAG, OR OSTERLOG (abt 1842 Stuttgart, Baden-Württemberg, Germany – )
      2  Edith Caroline CROSSLEY (5 Sep 1850 Dublin, Ireland – 20 Jan 1926 Kensington, London, England)
         +  William Steen MERCER (abt 1846 – 2 Jul 1886 Oranmore, Craigavad, Down, Ireland)
         +  Algernon Edward Richard BOYLE (1854 Marston, Somerset, England – 26 Jun 1914 Amersham, Buckinghamshire, United Kingdom)
      2  Ronald Lloyd CROSSLEY (13 Mar 1852 Dublin, Ireland – Nov 1889 USA)
      2  William Watson CROSSLEY (16 May 1853 Lurgan, Galway, Ireland – Bergen Co, New Jersey, USA)
         +  Emma SHEPHERD (abt 1856 New York, USA – )
            3  William CROSSLEY (30 Oct 1880 – 1938 Bergen Co, New Jersey, USA)
               +  Margery DUCAL (30 Aug 1880 Scotland – 4 Jan 1969 Los Angeles, California, USA)
            3  Owen Lloyd CROSSLEY (1892 – 1899 Bergen Co, New Jersey, USA)
      2  Arthur Charles CROSSLEY (3 Oct 1854 Lurgan, Galway, Ireland – 8 Jul 1893 Ballycastle, Antrim, Northern Ireland)
         +  Isabel de Vere HOLE (1851 Magheralin, Down, Northern Ireland – 1907 Belfast, Ireland)
            3  de Vere Lloyd CROSSLEY (11 Jul 1879 Belfast, Antrim, Northern Ireland – 3 Jun 1949 Belfast, Antrim, Northern Ireland)
               +  Mary Elizabeth SPENCE (7 Jan 1876 Belfast, Antrim, Northern Ireland – 2 Apr 1953 Belfast, Antrim)
            3  Muriel Elizabeth CROSSLEY (15 Nov 1880 Belfast, Antrim, Northern Ireland – )
            3  Arthur Cartecliffe CROSSLEY (11 Jun 1882 Belfast, Antrim, Northern Ireland – 6 Mar 1913 Belfast, Antrim, Down, Ireland)
               +  Victoria Isabel WARD (1887 Belfast, Antrim, Northern Ireland – )
            3  Frederick Ivan CROSSLEY (17 Sep 1883 – 5 Nov 1961 Maple Creek, Saskatchewan, Canada)
               +  Bessie HOLTBY (23 Aug 1887 Leeds, Yorkshire, England – abt 1956 Maple Creek, Saskatchewan, Canada)
                  4  Muriel May CROSSLEY (6 May 1909 Lloydminster, Saskatchewan, Canada – )
                     +  Thomas Norval BICK (7 Jul 1908 Calgary, Alberta, Canada – )
                  4  Desmond Ivan CROSSLEY (1910 Lloydminster, Saskatchewan, Canada – 1986)
                     +  BOYD 
            3  Olive Emily CROSSLEY (17 Sep 1885 Belfast, Ireland – 1971 Redbridge, Greater London, England)
               +  Herbert Andrew WATNEY (16 Aug 1882 Canwick, Lincolnshire, England – 13 Nov 1971 Eastbourne, Sussex, England)
            3  William Guy CROSSLEY (20 Jun 1888 Belfast, Antrim, Northern Ireland – 28 Feb 1980 Cheshire, New Haven, Connecticut, USA)
               +  Alice Ellen TIERNEY (abt 1884 MN – 27 May 1962 Ramsey Co, Minnesota, USA)
                  4  Arthur Lloyd CROSSLEY (17 Jan 1918 St Paul, Ramsey, Minnesota, USA – 7 Apr 2004 Wallingford, New Haven, Connecticut, USA)
                     +  Minerva Ann DEVALSKA (5 Feb 1918 St Paul, Ramsey, Minnesota, USA – 4 Feb 2004 Wallingford, Connecticut, USA)
                        5  Thomas L CROSSLEY (abt 1945 – )
                        5  Judith CROSSLEY (abt 1949 – )
                  4  William Charles CROSSLEY Sr (6 May 1923 Ramsey Co, Minnesota, USA – 26 Aug 2000 Boston, Suffolk, Massachusetts, USA)
                     +  Eleanor Marie SHEA (1926 – )
                        5  William Charles CROSSLEY Jr (1950 Vermont, USA – )
                           +  Suellen FORD (abt 1956 – )
                              6  Carissa Joann CROSSLEY (abt 1988 – )
                              6  Anne Eleanor CROSSLEY (abt 1990 – )
                        5  Catherine CROSSLEY (abt 1952 – )
                        5  Richard Finnian CROSSLEY (5 Mar 1954 New Haven, Connecticut, USA – 12 May 1973)
                        5  Elizabeth CROSSLEY (abt 1957 – )
                           +  Gary JEHAN (abt 1955 – )
            3  Basil Hole Charles Jasper CROSSLEY (25 Aug 1889 Belfast, Antrim, Northern Ireland – 2 Feb 1969 Surrey South Western, Surrey, England)
               +  Audrey THOMPSON (abt 1892 Belfast, Antrim, Northern Ireland – )
               +  Mary E GRIFFITHS 
               +  Zoe Florence A BENN (19 Mar 1889 – 1976 Chelmsford, Essex, England)
      2  Emily Susannah CROSSLEY (15 Feb 1858 Lurgan, Galway, Ireland – 25 Feb 1898 Crediton, Devonshire, United Kingdom)
         +  Worthington JUKES (15 Jan 1849 Dunville, Newfoundland and Labrador, Canada – 1937 Devon Central, Devon, England)
      2  Owen Thomas Lloyd CROSSLEY (30 Apr 1860 Lurgan, Galway, Ireland – 3 Mar 1926 Hammersmith, London, England)
         +  Grace Mary JOY (abt 1871 Ireland – 11 Jun 1958 Petersfield, Hampshire, England)