Barons MacDonald of Slate (1776) Alexander Macdonald, 1st Baron MacDonald of Slate (c. 1745-1795) Alexander Wentworth Macdonald, 2nd Baron MacDonald of Slate (1773-1824) Godfrey Bosville-Macdonald, 3rd Baron MacDonald of Slate (1775-1832) Godfrey William Wentworth Bosville-Macdonald, 4th Baron MacDonald of Slate (1809-1863) Somerled James Brudenell Bosville-Macdonald, 5th Baron MacDonald of Slate (1849-1874) Ronald Archibald Bosville-Macdonald, 6th Baron MacDonald of Slate (1853-1947) Alexander Godfrey Macdonald, 7th Baron MacDonald of Slate (1909-1970) Godfrey James Macdonald, 8th Baron MacDonald of Slate (b. 1947)
