doug rowland is right, strong possibilities of it being CP ex wartime 'Empire ' type which owned more than half a dozen of same, could be ' Beaverford ' or similar sisters, by the way were you in ' CS iris ' in 1986/87? seems a familiar name
Could be immigrants onboard a then immigrant ship in the 50's, just an thought
She looks like a batch of ships built by Lithgows, at Port-Glasgow, at the end of WWII.
To compare, please see this pic of one of them, the French MONKAY : http://messageries-maritimes.org/monkay9.jpg
I didn't find a view from the stern of the other ships (EGIDIA, BEAVERBURN, DRYDEN, EEMDIJK, ..)