The Cumberland County Historical Society seeks to preserve and share the history of Cumberland County, NJ. To this end, the society operates the Gibbon House Museum, John DuBois Maritime Museum, Reba and Warren Lummis Genealogical and Historical Research Library, and Cumberland County Prehistorical Museum. The John DuBois Maritime Museum presents Southern Jersey 19th- and 20th-century maritime history. Collections include caulking tools, rigging apparatus, shipwrights' tools, and builders' models. The Cumberland County Prehistorical Museum presents local ancient history, as well as more recent Native American history. Collections include Native American artifacts and fossils. Native American groups discussed include the Clovis, Lenape, Little Siconese, Sewapose, and Alloway.
The society offers exhibits, group tours, fourth and fifth grade educational programs, student tours, research library access, research assistance, hearthside cooking classes, and monthly continuing education classes. The John DuBois Maritime Museum is open by appointment only. A fee is charged for research assistance. At least two weeks notice is required for all school visits. The website offers pre- and post-visit activity suggestions.