Subsidiaries of

                      Fair, Isaac and Company, Incorporated


Name of Company and                                            Jurisdiction of
Name under which it                                            Incorporation or
Does Business                                                  Organization
===================================                            =================
          Fair, Isaac International
                Corporation(1)                                 California
                                                   
               DynaMark, Inc.(1)                               Minnesota
                                                   
          Fair, Isaac International                
            Germany Corporation(2)                             California
                                                   
           Fair, Isaac International               
             Canada Corporation(2)                             California
                                                   
           Fair, Isaac International               
               UK Corporation(2)                               California
                                                   
           Fair, Isaac International               
             Japan Corporation(2)                              California
                                                   
       Fair, Isaac International Ltd(2)                        England
                                                   
          Fair, Isaac International                
             France Corporation(2)                            California
                                                   
           Fair, Isaac International               
             Mexico Corporation(2)                            California
                                                   
      Fair, Isaac International, S. A.(3)                     Monaco
                                            

(1)      100% owned by Fair, Isaac and Company, Incorporated.
(2)      100% owned by Fair, Isaac International Corporation.
(3)      100% owned by Fair, Isaac International Corporation except
         for qualifying shares.







                                                                    EXHIBIT 21.1