EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Post-Effective Amendment No. 2 to the Registration Statement (Form S-8) pertaining to the 1^st Source Corporation Employee Stock Ownership and Profit Sharing Plan of our reports (a) dated March 2, 2006, with respect to the consolidated financial statements of 1^st Source Corporation and subsidiaries, 1^st Source Corporation management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of 1^st Source Corporation and (b) dated June 1, 2006, with respect to the financial statements and schedule of 1^st Source Corporation Employees’ Profit Sharing Plan and Trust included in the Plan’s annual report (Form 11-K), both for the year ended December 31, 2005, filed with the Securities and Exchange Commission.

November 2, 2006                                          /s/ Ernst & Young LLP