Colin Dunlop of Clyde Iron Works, was Provost of Glasgow in 1770
1828 Colin Dunlop of Tollcross was one of a syndicate that purchased interests in the patent of James Beaumont Neilson in his hot blast process. The value of the invention was demonstrated by a series of experiments at Clyde Iron Works; this transformed the cost of iron production and led to the meteoric rise of the Scottish Iron industry.
1835-6 Retired from Dundyvan.
1933 Death of Mary widow of a Colin Dunlop at Lockerbie House, Lockerbie aged 86. 
Sources of Information
- The Times, Friday, Sep 29, 1933