Caswell, Jesse a Congregational minister, was born in Vermont in 1809. He graduated at Middlebury College in 1832, and studied theology for one year in Andover Theological Seminary as a member of the class of 1837, and was also a student in Lane Theological Seminary from 1835 to 1837. He was ordained as a city missionary at Cincinnati, O., in 1837 was agent for the American Board of Commissioners for Foreign Missions in 1838; a missionary to Siam in 1839 and later; and died there, Sept. 25, 1848. See Trien. Cat. of Andover Theol. Sem. 1870, p. 127.