Looks as if this photo confirms that she was renamed LADY FRANKLIN by UBC when she first went on charter to Crosbie in 1981 (as per Miramar and LR/IHS)

Just discovered fuller description of "LADY FRANKLIN" here: http://www.wellandcanal.ca/shiparc/coastal/ladyfranklin/franklin.htm

Built by Krogerwerft, Schacht-Audorp, Rendsburg, Germany.
Launched: 8/1969 and completed 18/2/1970.
2,125 gt and 3,570 dwt. 106 TEU. 200 cars.
1970 - "BALTIC VALIANT" - United Baltic Corp. Ltd., London, U.K. Used on the Hull-Finland route.
1981 - under charter to C.A. Crosbie Shipping Ltd, St. John's, NFL, Canada
1990- "LADY FRANKLIN" - C.A. Crosbie Shipping Ltd., St. John's and sub-chartered to Chimo Shipping Ltd., Montreal for St. Lawrence trading. Fitted with a larger door/ramp.
2003 - "MARIAM III" - Marine Management SCMT, Registry: Peoples Republic of Korea.
2004 - renamed "MARIAM VI" - Registry changed to Panama.
2005 - registry changed to Basseterre, St. Kitts and Nevis.
2006 - sold to M.H. Hamid & Veesham Shipping Co., Basseterre
11/2007 - broken up at Alang.
Sources:http://www.miramarshipindex.nz and taft.com
2005