Exhibit 23


            Consent of Independent Registered Public Accounting Firm


We consent to the incorporation by reference in the Registration Statements
listed below of 1st Source Corporation of our reports dated March 15, 2005, with
respect to the consolidated financial statements of 1st Source Corporation and
subsidiaries, 1st Source Corporation management's assessment of the
effectiveness of internal control over financial reporting, and the
effectiveness of internal control over financial reporting of 1st Source
Corporation, included in this Annual Report (Form 10-K) for the year ended
December 31, 2004.


Registration Statement No. 333-101712 on Form S-8 dated December 6, 2002
Registration Statement No. 333-101711 on Form S-8 dated December 6, 2002
Registration Statement No. 333-101710 on Form S-8 dated December 6, 2002
Registration Statement No. 333-101709 on Form S-8 dated December 6, 2002
Registration Statement No. 333-64314 on Form S-8 dated July 2, 2001
Registration Statement No. 333-64306 on Form S-8 dated July 2, 2001
Registration Statement No. 333-64304 on Form S-8 dated July 2, 2001
Registration Statement No. 333-26243 dated April 30, 1997
Registration Statement No. 33-81852 dated July 22, 1994
Registration Statement No. 33-8840 dated September 16, 1986



                                                      /s/ Ernst & Young LLP



Chicago, Illinois
March 15, 2005