This one I do remember from the days of my youth on Teesside!
1924, 226grt
J.I.Thornycroft, Southampton (1039) as SIR WM. MACKINTOSH
for the Railways & Harbours Administration, Port Elizabeth
1938 PROTEA, James Dredging, Towage & Transport, London
1938 EUSTON CROSS, Tees Towing
1960 to Loucas Matsas as THISEUS
1972 renamed IOANNIS MATSAS
1978 reverted to THISEUS
Broken up in 1981