Warren County, Pennsylvania Genealogy

United States Pennsylvania  Warren County

Parent Counties
1784: The future Warren County was part of the huge area secured by the Treaty of Fort Stanwix, also known as the "Last Purchase," and much of the land was secured for speculation by the Holland Land Company

1785-1788: The eastern part of the future Warren Co. was annexed to Northumberland County; the western portion was part of the Donation Lands

1788-1795: The eastern part of the future Warren Co. remained part of Northumberland County; the western portion became part of the newly created (1788) Allegheny Co.

1795-1800: The eastern part of the future Warren Co. became part of newly created Lycoming Co. which was carved out of Northumberland Co. in 1795; the western portion remained part of Allegheny Co.

12 March 1800: Warren County was created from Allegheny and Lycoming Counties.

Neighboring Counties
Crawford | Elk | Erie | Forest | McKean | Venango | New York counties: Cattaraugus | Chautauqua

Local Histories

 * 1887 History of Warren County, Pennsylvania with Illustrations and Biographical Sketches of Some of its Prominent Men and Pioneers edited by J. S. Schenck

Maps

 * Ancestor Tracks has posted free, downloadable images of the 1878 Atlas of Warren County and information about the Last Purchase, as well as links to the Warrantee Maps at the Pennsylvania Archives in Harrisburg.

Military

 * World War I -- Photographs of Warren County World War I Soldiers from the book "Warren County Boys Over There," 1918.

Web Sites

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