The Library of the Mercer Museum and Bucks County Historical Society is the depository for many Bucks County government records dating from 1683. These records come from the offices of the Court of Quarter Sessions, Register of Wills and Clerk of the Orphans Court, Prothonotary and the County Commissioners. Special indexes to county collections include the following:
- naturalization records (1802-1906)
- criminal papers (1697-1786)
- quarter sessions (1684-1700)
- coroners papers (1700-1900)
- divorces (1806-1948)
- marriage licenses (1852-1854, 1885-1946)
- vendues (1784-1884)
- tavern licenses (1742-1923)
- deed books and grantor/grantee index (1684-1919)
- wills and administrations (1684-1900)
- mechanics liens (1836-1949)
At this time, none of these indexes are available online.
