What is "mcadam"

McAdam or MacAdam''' may refer to:

McAdam or MacAdam is a Scottish Gaelic clan which originated as a branch of Clan Gregor. As a surname it is most prominent in the Galloway and Ayrshire regions of Scotland. Some of their descendants are also to be found in Ireland, the United States, Australia and Canada. Notable people with the surname include:

• John Loudon McAdam (1756-1836), a Scottish engineer noted for inventing the process of "macadamization" of roads.
• John McAdam (businessman), an American businessman
• John McAdam (politician) (1807-1893), Irish-born politician in New Brunswick, Canada
• John Macadam (1827-1865), an Australian (Scottish-born) chemist, medical teacher and politician, after whom the Macadamia nut is named
• Macadam, a British illustrator active during the 1920s and 1930s
• David MacAdam (1910-1998), an American color scientist
• Doug McAdam (born 1951), an American sociologist studying social movements
• Colin McAdam (novelist), a Canadian novelist
• Elliot McAdam (born 1951), an Australian politician and Northern Territory Cabinet member
• Sean McAdam, an American baseball writer
• Adrian McAdam (born 1971), Australian Rules footballer
• Gilbert McAdam (born 1967), Australian Rules footballer
• Greg McAdam (born 1961), Australian Rules footballer
• Patrick "Pat" MacAdam is a Canadian writer