Built for 'The Clan Line of Steamers Limited' ('Clan Line'), of Glasgow. In 1904 maybe, transferred to the ownership of Sir Charles W. Cayzer & in 1913 ownership reverted to Clan Line. In 1916, at a date unstated, the vessel was attacked by UB-47. Clan Forbes fired back & when its 5th shell came close to the submarine, UB-47 gave up the chase.
No detail of the incident has come to hand. On Jun. 9, 1918, defensively armed, while en route from Newport, Wales, to Port Said, Egypt with a cargo of coal, the vessel was torpedoed by UB-105, Kapitänleutnant Wilhelm Marschall in command, & sunk in the Mediterranean, 115 miles WNW of Alexandria, Egypt. At 31.55N/27.50E. 2 lives were lost.