This document provides an overview of using federal court records to research family history. It discusses the history and organization of the US federal court system from its origins in 1789 through reforms in the late 19th century. Key points include how the system expanded with new states and territories, the creation of circuit courts to handle caseloads, and the 1891 Evarts Act that established the current structure of district and appellate courts. The document also describes the types of cases heard, locations of records, and examples of individuals like George Remus who were prosecuted in federal court.