Mercer County, Pennsylvania Genealogy

United States &gt; Pennsylvania &gt; Mercer County

Parent County
12 March 1800: Mercer County was created 12 March 1800 from Allegheny County.

Boundary Changes
20 March 1849: Lawrence County set off. Mahoning, Neshannock and Slippery Rock Townships, along with a small portion of Shenango and Lackawannock Townships became part of Lawrence County. This area included the town of New Castle.

Neighboring Counties
Butler | Crawford | Lawrence | Venango | Ohio counties: Mahoning | Trumbull

Maps
1873--Landowner Maps from the Combination Atlas of Mercer County and the State of Pennsylvania, 1873, Mercer County PAGenWeb site.

Societies

 * Mercer County Genealogical Society P.O. Box 812 Sharon, PA 16146-0812 (724)346-5117
 * Mercer County Historical Society 119 South Pitt St. Mercer, PA 16137-1211 (724)662-3490
 * Grove City Area Historical Society P.O. Box 764 Grove City, PA 16127
 * The Hermitage Historical Society 5465 E. State Street Hermitage, PA 16148 (724)347-0419
 * Greenville Historical Society 94 College Ave. Greenville, PA 16125 (724)588-7150
 * Jamestown Area Historical Society 405 Summit St. Jamestown, PA 16134-9153 (724)932-5997
 * Stoneboro Community &amp; Historical Society Lake St. Stoneboro, PA 16153 (724)376-4190

Libraries

 * Greenville Area Public Library 330 Main St. Greenville, PA 16125-2615 (724)588-5490
 * Grove City Community Library 125 West Main Street Grove City, PA 16127 (724)458-7320
 * Mercer Area Library 145 N. Pitt St. Mercer, PA 16137-1206 (724)662-4233
 * Shenango Valley Community Library 11 N. Sharpsville Ave. Sharon, PA 16146 (724) 981-4360

Web Sites

 * Mercer County Genealogy - PAGenWeb site. Obituaries, Cemetery information, Biographies, Maps, County History and Information, Surname List, Family Histories, Military information.
 * Mercer County Links - linkpendium.com
 * Family History Library Catalog