The Ann Arrundell County Historical Society seeks to encourage and inspire present and future generations to preserve and explore the County's history to foster a greater appreciation for our shared legacy.

The goal of the Baltimore City Historical Society is to cultivate and promote the history and diversity of Baltimore City. The Society works with Baltimore historians to sponsor programs on City history and with museums and universities to support their collections of historical materials.

The Historical Society of Baltimore County collects, preserves, and interprets the rich history of Baltimore County for the education and enjoyment of present and future generations.

The Calvert County Historical Society, Inc. was founded in 1953 by a small group of concerned Calvert County residents. The main purpose of the Society was to further the collection of historical data and records concerned with Calvert County and other materials bearing on the history of the State and Nation, including private letters, documents, manuscripts, early events and acts as recorded in structures and works of public and private nature.

The headquarters of the Society is located within the Museum of Rural Life, on the Courthouse Square, on the corner of Second and Gay Streets, in Denton, Maryland.

Founded in 1939, HSCC is dedicated to the research of piedmont Maryland's cultural heritage and the preservation and interpretation of objects significant to Carroll County history. The Society accomplishes this mission by sponsoring educational programs, research projects, exhibitions, publications, and community outreach programs to provide broad public access to this region's cultural heritage.

The Historical Society of Cecil County was incorporated by an act of the General Assembly in 1931. Its research library has the largest collection in existence of books, manuscripts, maps, government documents, and newspapers pertaining to Cecil County. Its Web site includes a variety of online databases and indexes.

The Historical Society of Charles County was established in 1961 to preserve, research, and promote the unique heritage of Charles County, Maryland. The society maintains an extensive research and photographic collection of historic sites, genealogical files as well as a cemetery transcription project of over 9,000 tombstone inscriptions, all housed in the Southern Maryland Studies Center of the College of Southern Maryland. The society provides tours of the La Plata Railroad Station, which also serves as their headquarters. It was instrumental in saving and restoring Friendship House, a colonial Maryland Tidewater House.

The Dorchester County Historical Society's mission is to preserve the history of the county, to collect artifacts of historical importance and to make it all available to the public.

Heritage Frederick (previously known as the Historical Society of Frederick County) is a nonprofit educational organization dedicated to increasing public awareness and appreciation of the history of Frederick County. The Society collects and preserves artifacts and documents for study and education, and welcomes the participation of people of all ages in sharing informative and engaging experiences that will encourage them to discover and appreciate their heritage.

The Garrett County Historical Society and Dailey's Park offer a glimpse into the diverse past of the Deep Creek Lake area. The county's rich history includes: the world's most lavish hotels, Civil and World War involvement, Native Americans, brave pioneers and hunters, German settlers, the coal, farming and timber industries, and great American visionaries.

The Historical Society of Harford County, Inc. is an organization whose mission is to collect, preserve, present, promote, and interpret the rich and diverse history of the County area, in its regional context, from its prehistoric origins to the present.

The library of the Howard County Historical Society houses a rich research collection of books, journals, and documents featuring local history and genealogy. The library is Howard County's official archive of retired documents of historical value, including deeds and marriage licenses. Since there was no waiting period in Howard County between issuing a marrriage license and tying the knot, couples came from far and wide to marry there. Go to http://www.hchsmd.org/marriages.htm for a listing.

The Historical Society of Kent County, Maryland, is dedicated to the collection and preservation of artifacts, documents, and information that aid in the interpretation of all aspects of Kent County's history.

Montgomery History strives to highlight the role of history as a vital part of the cultural and social fabric of Montgomery County. Since its founding in 1944, the organization has moved from an all volunteer organization to one boasting over 1,400 members, a professional staff, and hundreds of supportive and dedicated volunteers.

Founded in l952, the Prince George's County Historical Society works to fulfill its mission of preserving and promoting the County's long and diverse history through reproducing new and out-of-print historical materials, collecting records, documents, photographs, and artifacts reflecting the County's social, economic and political history, operating the Frederick S. DeMarr Library of County History, providing educational opportunities through lectures, programs and tours, and recognizing and supporting individuals and organizations that are making significant contributions to the preservation of the County's rich multi-ethnic, multi-cultural heritage.

The mission of the Queen Anne's County Historical Society is to discover, preserve and disseminate knowledge of history with special emphasis on the County and the state of Maryland. Founded in 1960, the society owns two historic homes, built in the 1700's. Both are restored and furnished with period furniture and collections.

The St. Mary's County Historical Society, which was established in 1951, strives to identify, collect, and preserve materials of any kind related to the history of this area.

The Somerset County Historical Society provides leadership to the county's residents and the general public in the preservation and exploration of the county's shared history The Society utilizes its resources, including the Teackle Mansion and its collections, and the historical resources of the county as a whole, as the catalysts to create personal connections to the past. The Society collects, preserves, and documents the county's historical assets and provides a variety of stimulating educational programs and initiatives.

The Historical Society of Talbot County was founded in 1954 to "preserve, communicate and celebrate the heritage of Talbot County, Maryland by educating residents and visitors." From exhibits to educational programs, special events to research opportunities, the Historical Society is the leading resource for discovering Talbot County's past.

The Washington County Historical Society's mission is to develop interest in and preserve the history of Washington County, Maryland. Its kinship Family Heritage Research Center is one of Washington County’s “go-to” spots to learn more about the rich history of the area’s founding, industrial roots, and family ties. The genealogical library houses books, photographs, letters, diaries, maps, and various digital resources to assist visitors on their quest for ancestral information.

The Worcester County Historical Society is dedicated to discovering, preserving and disseminating the rich natural and cultural history of Worcester County and the State of Maryland.