Northumberland County, Pennsylvania Genealogy

United States &gt; Pennsylvania &gt; Northumberland County

Parent Counties
21 March 1772: Northumberland County was created 21 March 1772 from Lancaster, Berks, Cumberland, Bedford, and Northampton Counties.

Boundary Changes

 * Several times the county was divided over the years:
 * 25 September 1786: Luzerne
 * 19 September 1789: Mifflin
 * 13 April 1795: Lycoming
 * 13 February 1800: Centre
 * 26 March 1804: Clearfield
 * 22 March 1813: Columbia and Union

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
 * Family History Library Catalog