John Calhoun Chamberlain was born in Brewer, August, 1838, brother of J. L. (1852). He pursued a theological course at Bangor Seminary, graduating in 1864. He was chaplain of the Eleventh Maine, served on the United States Christian Commission, rendering valuable service in the battle of Gettysburg. In 1866 he married Delia F. Jarvis of Castine. His health suffered under exposure in the army, and he died in Castine of pulmonary disease, August, 1867.
SOURCE: Nehemiah Cleaveland, History Of Bowdoin College: With Biographical Sketches Of Its Graduates From 1806 To 1879 Inclusive, p. 735