"Haven of Rest" by Douglas Gurton lists the vessel as SOUTH WESTERN MILLER but has no further info. See DJG_SHP
Built for Norfolk & North American SS Co Ltd (Furness, Withy & Co). She was sold 1927 to Norddeutscher Lloyd, Bremen; renamed GIESSEN. Wrecked 1929.
[ From http://www.tynebuiltships.co.uk/S-Ships/southwesternmiller1915.html ]
Voyage Record Cards for 1927 have no movements for SOUTH WESTERN MILLER or for GIESSEN.