Alpha was incorporated as a borough from portions of Pohatcong Township by an act of the New Jersey Legislature passed on June 26, 1911, and signed by Governor Woodrow Wilson, based on the results of a referendum held on May 31, 1911.Snyder, John P. The Story of New Jersey's Civil Boundaries: 1606-1968, Bureau of Geology and Topography; Trenton, New Jersey; 1969. p. 245. Accessed October 25, 2012. The borough was named for the Alpha Cement Works.Hutchinson, Viola L. The Origin of New Jersey Place Names, New Jersey Public Library Commission, May 1945. Accessed August 26, 2015.
