The Commonwealth War Graves Commission List of Female Casualties of the First World War has a list of the nurses from Australia and New Zealand whose lives were lost when a German submarine sank the S.S. "Marquette"a troopship in the Aegean Sea near Salonika on 23rd October 1915. They are commemorated on the Mikra Memorial in the Mikra British Cemetery, Kalamaria, Greece.
To read the full story, please see the link:
http://www.rootsweb.ancestry.com/~nzlscant/marquette.htm