Supporting his occupation in 1851, the British Guiana Directory for the year 1860 states:
Henry WATSON - Justice of the Peace for Demerara Attorney at law
Commissioner for administrating oaths to affidavits.
https://sites.rootsweb.com/~nyggbs/RogerAustin/TheMemoirsofBruceWatson.pdfI think it was around 1866 that he was appointed Administrator, General of British Guiana.
Monica