William Martin Beauchamp (March 25, 1830 – December 13, 1925)[1] was an American ethnologist and Episcopal clergyman.
He graduated from the DeLancey Divinity School,[2] and received a degree of Doctor of Sacred Theology (S.T.D.
He married Sarah Carter of Ravenna, Ohio in November 1857 and resided in Syracuse, New York.
[6] In addition, he made valuable archæological contributions from his independent research, particularly concerning the Iroquois Indians.
In 1889 the Bureau of American Ethnology commissioned him to survey the Iroquois territory in New York and Canada, and to prepare a map indicating the location of all the known Indian sites in that region.