Mission: The Mahoning Valley Historical Society collects, preserves and teaches the history of the people of the Mahoning Valley. The Mahoning Valley Historical Society operates two museum sites and two archival collections. The Tyler History Center features galleries for local history exhibits, a ballroom available for events, the Historical Society's Archives Library, and the Anne Kilcawley Christman Educational Resource center. Greystone, a magnificent 1905 Arts & Crafts style residence, is preserved today as The Arms Family Museum. Visitors will enjoy original period rooms with original furnishings and exhibits that highlight the decorative arts. The Media Archives includes business records, marketing materials, broadcasting equipment, radio recordings and extensive television news film and videotape libraries. The Archives Library contains tens of thousands of items.

Mahoning Valley Historical Society is a 501(c)(3) organization, with an IRS ruling year of 1962, and donations are tax-deductible.