Exhibit 23

                          Independent Auditors' Consent

The Board of Directors
Cass Information Systems, Inc.:

We consent to the incorporation by reference in the registration statements No.
33-91456, No. 33-91568, and No. 333-44499 on Form S-8 of Cass Information
Systems, Inc. (Cass) of our report dated January 25, 2002, relating to the
consolidated balance sheets of Cass Information Systems, Inc. and subsidiaries
as of December 31, 2001 and 2000, and the related consolidated statements of
income, shareholders' equity and comprehensive income, and cash flows for each
of the years in the three-year period ended December 31, 2001, which report
appears in the December 31, 2001 annual report on Form 10-K of Cass.


/s/ KPMG LLP

St. Louis, Missouri
March 18, 2002