Charles Andrew "Duke" Farrell was an American Major League Baseball catcher. He played for eight teams during his 18-year career. He made his major-league debut in 1888 and retired as a player after the 1905 season. He then entered coaching, ran a hotel, and became a deputy U.S. marshal.

Marlborough is a city in Middlesex County, Massachusetts, United States. The population was 41,793 at the 2020 census. Marlborough became a prosperous industrial town in the 19th century and made the transition to high technology industry in the late 20th century after the construction of the Massachusetts Turnpike.