Primary source material reproduced from ‘Governors of Sierra Leone: William Fergusson, 1841-2 and 1844-45’, Sierra Leone Weekly News, 06/01/1900
Staff-Surgeon Fergusson, as Lieut Governor assumed the government, 3rd September 1841 and held office until arrival in the Colony of Colonel Macdonald, 31st January 1842.
A man of colour and African descent he was educated for the medical profession at Edinburgh and entered the army as Hospital Assistant 1813, became Assistant Surgeon 1824, Staff Surgeon 1839, and for a time filled the post of Surgeon to the Colony.
Upon Governor Macdonald’s departure for England, May 1st 1844, Surgeon Fergusson again assumed the government. On July 15th 1845 he was proclaimed Captain General and Governor-in-Chief and continued in office until compelled by ill health to leave the Colony December 27th 1845. He died 19th January 1846, on passage to England.