Northup is an unincorporated community in Green Township, Gallia County, in the U.S. state of Ohio. The hamlet is located in the south part of the township, on Raccoon Creek.Green Township. History of GALLIA COUNTY. Published H. H. Hardesty and Co., Chicago and Toledo, 1882. Page XXII.

History A post office called Northup was established in the village in 1858. The community was named after its founder, John Syler Northup (9 May 1810 – 5 August 1887).John Syler Northup. FamilySearch. Includes 9 sources. Accessed 9 November 2025.

References