This is a collection of genealogical and historical information pertaining to the first settlers of the upper part of Bucks County, Pennsylvania. Separate chapters are assigned to each family, and approximately 12,000 persons are named and identified. Whole chapters are devoted to genealogies of the following families: Adamson, Ashton, Ball, Blackledge, Burson, Carr, Custard, Dennis, Edwards, Foulke, Green, Griffith, Hallowell, Heacock, Hicks, Iden, Jamison, Johnson, Kinsey, Lancaster, Lester, Levick, Lewis, Lott, McCarty, Miller, Morgan, Morris, Nixon, Penrose, Phillips, Rawlings, Roberts, Shaw, Strawn, Thomas, Thomson, Walton, and Zorns.