elcome to the online home of The Historical Society of Dauphin County and the John Harris-Simon Cameron Mansion. The Historical Society of Dauphin County (HSDC) was founded in 1869 and has been headquartered at the Harris-Cameron Mansion, a National Historic Landmark, since 1941.

The mission of the HSDC is to collect, preserve, exhibit, publish, and promote interest in the history of Dauphin County for the education, enjoyment, and benefit of the public.

We welcome your interest in our collections, efforts, programs, and services.

HSDC Happenings

Find out what's going on at HSDC by checking out our new blog:

www.hsdchappenings.blogspot.com

Join HSDC during our Spring Membership Drive!

We're inviting you to become a member of one of Pennsylvania's oldest historical organizations - and offering four free passes (a $32 value) if you join before May 31. Your membership will give you free admission to the Harris-Cameron Mansion throughout the year, and your free passes will admit four friends! Read More...

The Oracle


Check out the latest issue of the Historical Society's newsletter, The Oracle. If you want to catch up on any HSDC news you might have missed, back-issues are also available.

2014 Annual Report


To see the highlights of the Historical Society's 2013-14 fiscal year, please view our Annual Report.

Building Harrisburg: The Architects and Builders, 1719-1941

Building Harrisburg Cover

Ken Frew's epic account (400 pages, 350-plus illustrations) of the history of Harrisburg’s architects, builders and buildings is now available for purchase.

Buy "Building Harrisburg" Online

Online Gift Shop

Visit the Gift Shop

Support HSDC while getting something in return. Our online shop includes the Society's journal, Susquehanna Heritage, as well as Publications from the Past, which include transcripts of addresses given before the Society that cover topics such as transportation, industry, military and church histories.

Hours

  • Alexander Research Library
  • Monday through Thursday and the Second Sunday of the month
  • 1:00pm to 4:00pm
  • Research Information
  • Mansion Tours
  • Monday through Thursday at 1:00pm, 2:00pm and 3:00pm
  • The Second Sunday of each month at 1:00pm
  • Tour Information
  • Society Office
  • Monday through Thursday
  • 10:00am to 4:00pm
  • * For research and tour hours
  • please see above information *