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		      SECURITIES AND EXCHANGE COMMISSION
			   Washington, D. C.   20549


				   FORM 8-K


				CURRENT REPORT

		     Pursuant to Section 13 or 15(d) of
		    The Securities Exchange Act of 1934


Date of Report (Date of earliest event reported) March 12, 2004
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Commission File Number 0-5544


			   OHIO CASUALTY CORPORATION
	    (Exact name of registrant as specified in its charter)

				     OHIO
	(State or other jurisdiction of incorporation or organization)

				  31-0783294
		    (I.R.S. Employer Identification No.)

		     9450 Seward Road, Fairfield, Ohio
		  (Address of principal executive offices)

				     45014
				   (Zip Code)

				 (513) 603-2400
			 (Registrant's telephone number)


				  Not Applicable
	  (Former name or former address, if changed since last report)






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ITEM 5. Other Events
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On March 12, 2004, Ohio Casualty Corporation (the "Company") issued a press
release announcing that Stephen S. Marcum will not seek re-election as a
member of the Board of Directors of the Company.  The press release is
attached hereto as Exhibit 99 and hereby incorporated by reference.



Exhibit Index
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     99         Press release dated March 12, 2004 issued by the Company and
		posted on its website at www.ocas.com.



				  SIGNATURE

	Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.






					    OHIO CASUALTY CORPORATION
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						   (Registrant)





March 12, 2004                              /s/Debra K. Crane
					    ---------------------------------
					    Debra K. Crane, Senior Vice
					    President, General Counsel and
					    Secretary




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