The first settlement at Graham was made in the 1820s.
- U.S. Geological Survey Geographic Names Information System: Graham, Fountain County, Indiana
- Baker, Ronald L. (October 1995). From Needmore to Prosperity: Hoosier Place Names in Folklore and History. Indiana University Press. p. 148. ISBN 978-0-253-32866-3.
...Graham family, who settled here about 1823.