William Morris, 1st Viscount Nuffield 1877 – 1963 Oxfordshire, South East England, United Kingdom Politicians
William Mortensen 1897 – 1965 Fairhaven Memorial Park, Santa Ana, United States Artists and Architects
William Mulready 1786 – 1863 Kensal Green Cemetery, Royal Borough of Kensington and Chelsea, United Kingdom Artists and Architects
William Murray, 1st Earl of Mansfield 1705 – 1793 Westminster Abbey, City of Westminster, United Kingdom Politicians