EXHIBIT 23.1


             CONSENT OF KPMG PEAT MARWICK LLP, INDEPENDENT AUDITORS


The Board of Directors
Fair, Isaac and Company, Incorporated:


         We consent to incorporation by reference in the registration statement
on Form S-3 of Fair, Isaac and Company, Incorporated and subsidiaries of our
reports dated October 23, 1996, except as to note 16, which is as of November 4,
1996, relating to the consolidated balance sheets of Fair, Isaac and Company,
Incorporated and subsidiaries as of September 30, 1996 and 1995, and the related
statements of income, stockholders' equity, and cash flows and the related
financial schedule for each of the years in the three-year period ended
September 30, 1996, which reports appear in the September 30, 1996 annual report
on Form 10-K of Fair, Isaac and Company, Incorporated and subsidiaries. We also
consent to the reference to our Firm under the heading "Experts" in the
registration statement.


                                       KPMG PEAT MARWICK LLP

San Francisco, California
December 15, 1997