And one Kevin has not got.....
The two Tankers belong to Tankers Limited of London which was founded in 1920.
Amongst others they had four built at Barrow 1921/22:- MAIDEN, MUSICIAN, MINSTREL and STANDARD.
SCOTTISH AMERICAN was built at Sunderland in 1920 and BORDERER at Dumbarton in 1923.
Local Builds as far as I can see in a quick check were all by Armstrong Whitworth.
1922. SCOTTISH CASTLE and STRATH.
1928. SCOTTISH CHIEF and HEATHER.
All were approx 7,000 Gross.
Now which ones these are remains to be seen!!
Paul Hood. + WSS Tyneside Branch Hon Sec.