Lycoming County, Pennsylvania Genealogy Records

When Lycoming County was formed, which counties to search for earlier records, and which offices keep its deeds, wills, marriages and court records.

Formed
1795
County seat
Williamsport

Where to find the records

Offices change their hours and access rules; call before you visit.

Boundaries and parent counties

Formed from: Northumberland County

Check the parent county for earlier records: Northumberland County

Later formed partly from Lycoming County: Armstrong County, Bradford County, Centre County, Clearfield County, Clinton County, Indiana County, Jefferson County, McKean County, Potter County, Sullivan County, Tioga County, Venango County, Warren County

Records stay with the county that created them. If your ancestor lived here before 1795, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

Pennsylvania counties didn't issue marriage licenses until the fall of 1885, so earlier marriages are mostly in church records. Lutheran, Reformed, Presbyterian and Quaker registers are often the best source.