In his early years in the 1820s Donalson had the management of large farms, and extensive estates, such as those of Loudon Castle in Ayrshire, and Donnington Park in Leicestershire, both in Scotland and England [REF].
Donaldson was presented to the Charterhouse by the Prince Consort in August 1855, and died a poor brother there on 22 March 1876, leaving a will in favour of Elizabeth Saine, a widow [REF].