The Federal Bill of Rights and state constitutions rely heavily on procedural protections, especially jury rights. Supporters of these rights at the founding praised the jury in extravagant terms, and many members of the legal profession continue to do so today. Yet civil and criminal jury trials are vanishing in the United States. The disappearance of the civil jury presents a puzzle because the Seventh Amendment and state constitutional rights require that civil jury trial be “preserved” or “remain inviolate.” Scholarship on the history of constitutional rights to civil jury trial has tended to focus exclusively on the Seventh Amendment, particularly at the time of the founding or during the modern era. This Article examines both state an...