High Quality Content by WIKIPEDIA articles! Charles McCurdy "Mac" Mathias, Jr. (July 24, 1922 – January 25, 2010) was a Republican member of the United States Senate, representing Maryland from 1969 to 1987. He was also a member of the Maryland House of Delegates from 1959 to 1960, and of the United States House of Representatives, representing the 6th congressional district of Maryland from 1961 to 1969.