Born at Haltoun House near Ratho, the eldest son and heir of James Maitland, 7th Earl of Lauderdale, whom he succeeded in 1789, he became a controversial Scottish politician and writer.
On 17 May 1753 he was appointed, under the patronage of the Earl of Lauderdale, assistant to John Guthrie, parish minister of Ratho, Midlothian, on whose death in 1756 he became sole incumbent.
James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Fort Lauderdale, Florida | Earl | Frederick Roberts, 1st Earl Roberts | Earl of Derby | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Richard Neville, 16th Earl of Warwick | Earl of Leicester | John Scott, 1st Earl of Eldon | Robert Devereux, 2nd Earl of Essex | Robert, 1st Earl of Gloucester | Jim Lauderdale | Fort Lauderdale | Edward Harley, 2nd Earl of Oxford and Earl Mortimer | Earl of Devon | Douglas Haig, 1st Earl Haig | My Name Is Earl | Edward Hyde, 1st Earl of Clarendon | Earl Scruggs |
In 1645 it was inherited by the Earl of Lauderdale (hence its name) and in 1666 it was visited by Charles II and Samuel Pepys, while Nell Gwyn is said to have lived there briefly in 1670.
Fergusson was the eighth son of Sir James Fergusson of Kilkerran, bart., by his wife Jean Maitland, only child of James, viscount Maitland, and granddaughter of John, fifth earl of Lauderdale.