James Armstrong MacKay served as a Representative from Georgia in the United States Congress from 1965 to 1967. A member of the Democratic Party, James Armstrong MacKay contributed to the legislative process during 1 term in office.

James Armstrong MacKay’s service in Congress occurred during a significant period in American history. As a member of the House of Representatives, James Armstrong MacKay participated in the democratic process and represented the interests of constituents.

James Armstrong Mackay (June 25, 1919 – July 2, 2004) was an American politician and attorney from Georgia. Mackay was first elected to the United States House of Representatives in 1964, representing the 4th district as a Democrat. He served a single term, losing his re-election bid in 1966. He died on July 2, 2004, in Chattanooga, Tennessee.