Pierre Menard (1766 –1844) was a fur trader, a member of the Indiana Territorial Legislature, president of the Illinois Territorial Council, and the state’s first lieutenant governor (1818-1822. He was born at St. Antoine-sur-Richelieu, near Montreal, Canada, third in a family of ten children. His father was Jean Baptiste Menard, a French soldier in the regiment of Guyenne. This edition of the personal and business papers of Pierre Menard (1766 –1844) reflects the lives and activities of two generations of French and English settlers in Illinois. The collection is divided into two parts: (1) the papers of Barthelemi Tardiveau, congressional agent for French inhabitants of Illinois, and business partner of Menard during the 1790s, and (2) the private correspondence and business papers of Pierre Menard, fur trader, merchant, and public official of Kaskaskia.