Exhibit 23



          Consent of Independent Registered Public Accounting Firm



We consent to the incorporation by reference in the Registration Statements
(Form S-8 Nos. 33-67962, 333-69895, 333-87413, 333-42922, 333-73738, 333-
88398, 333-91906 and 333-125093) pertaining to the Employee Savings Plan of
Ohio Casualty Insurance Company of our report dated June 3, 2005, with respect
to the financial statements and schedule of the Ohio Casualty Insurance
Company Employee Savings Plan included in this Annual Report (Form 11-K) for
the year ended December 31, 2004.




/s/ Ernst & Young LLP

June 27, 2005