Jared Arnold was born on September 21, 1774, in Haddam, Connecticut, to Joseph Arnold and Mary Crane, and became a ship captain and merchant. He and his wife, Susannah Brainerd (1780-1867), lived in Haddam, Connecticut, and had three children: Jared (1806-1884), Joseph (1811-1884), and Owen (1818-1900). Jared owned a mill in Auburn, New York; Joseph became a merchant; and Owen, who attended Yale in the 1830s, taught at Oglethorpe University before relocating to New York. The elder Jared Arnold died on August 7, 1845.
From the guide to the Jared and Susannah Arnold papers, Arnold, Jared and Susannah papers, 1799-1857, 1800-1851, (William L. Clements Library, University of Michigan)