"Families of Beaver County, Pennsylvania," extracted from pages 609-908 of Richard's "History of Beaver County," consists solely of detailed genealogical and biographical sketches of several hundred Beaver County families. In general, the essays indicate the principal subject's date and place of birth, occupation, military service (if any), name of spouse(s), date of marriage(s), and the names and whereabouts of all children, as well as a considerable amount of biographical detail.