May 31, 1825, Newport, Rhode Island.
August 28, 1867, Newport, Rhode Island.
A Presbyterian, Dunn graduated from Brown University, Providence, Rhode Island, in 1843. From 1844 to 1846, he taught French and worked as a librarian at the university. He then entered the Theological Seminary in Princeton, New Jersey; he was licensed by the Presbytery of New Brunswick in April 1847, and ordained by the Presbytery of West-Jersey November 1, 1848, as pastor of the First Presbyterian Church of Camden, New Jersey. In April 1851, he accepted the chair of Rhetoric and English Literature at Brown University. The university gave him a DD degree in 1864. His hymns were mainly translations from Latin and other sources.