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CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
Allegiant Bancorp, Inc.
St. Louis, Missouri
We consent to the incorporation by reference in the Registration
Statement (Form S-8) pertaining to the 401(k) Profit Sharing Plan of
Allegiant Bancorp, Inc. (the Company) of our reports (a) dated January
19, 2000, with respect to the consolidated financial statements of the
Company incorporated by reference in its Annual Report (Form 10-K) for
the year ended December 31, 1999 included therein and (b) dated May 26,
2000, with respect to the financial statements and schedules of the
Company's 401(k) Profit Sharing Plan included in the Plan's Annual
Report (Form 11-K), both for the year ended December 31, 1999, filed
with the Securities and Exchange Commission.
St. Louis, Missouri /s/ Ernst & Young, LLP
July 19, 2000
