St. Mary's County Historical Society

The St. Mary’s County Historical Society collects, preserves, researches, and interprets the history of St. Mary’s County, Maryland. Our collections are held in trust for the use and education of the public.

Founded in 1951, the St. Mary’s County Historical Society brings to life the stories of the people, places, and events of St. Mary’s County Maryland. Our large collection of genealogical and archival materials are available to members and to the public for family and historical research. Our mission is to bring into focus the people, places, and events that make this County extraordinary.