Marlboro

Marlboro Township was formed by an act of the New Jersey Legislature on February 17, 1848, from portions of Freehold Township. The township was named for the marl beds found in the area.

Source: Snyder, John P. The Story of New Jersey's Civil Boundaries: 1606-1968, Bureau of Geology and Topography; Trenton, New Jersey; 1969. p. 182.