Washington County, Pennsylvania Genealogy

United States &gt; Pennsylvania &gt; Washington County

County Courthouse
1 South Main St. Washington, PA 15301 (724) 228-6787

Directions

Parent County
1781--Washington County was created 28 March 1781 from Westmoreland. County seat: Washington

Boundary Changes
Note: Washington County was claimed by both Virginia and Pennsylvania until the Mason-Dixon Line was finalized in 1780

1750: Part of Cumberland County

1771: Transferred into Bedford Co. when Bedford was erected in 1771

1773: Transferred to Westmoreland Co. when Westmoreland was formed in 1773

1781: Washington Co. was created from Westmoreland in 1781, but it contained today's Washington, Greene and Fayette Counties

1796: After Fayette and Greene are broken off into their own counties, Washington Co. assumes today's boundaries (except for a small part which became Beaver in 1800)

Neighboring Counties
Allegheny | Beaver | Fayette | Greene | Westmoreland | West Virginia counties: Brooke | Hancock | Marshall | Ohio

Land

 * Ancestor Tracks has published Early Landowners of Pennsylvania: Atlas of Township Warrantee Maps of Washington County which contains all of the Township Warrantee Maps on file at the Pennsylvania Archives in Harrisburg. thus pinpointing the location of the earliest landowners of the county. Each Township Warrantee Map was painstakingly platted by draftsmen from the original warrants, surveys, and patents of the first settlers of the county within its current boundaries.

Web Sites

 * Linkpendium - Washington County
 * USGenWeb project
 * Family History Library Catalog