Ralph Dunning Smyth (October 24, 1804 – September 11, 1874) was an American judge and politician. Smyth was born in Southbury, Conn., Oct. 24, 1804. He was the son of Richard and Lovine (Hebert) Smith. He was fitted for college under John H. Lathrop, at the Weston (now Easton) Academy. He graduated from Yale College in 1827. On the completion of his collegiate course he began the study of law with Hon. Edward Hinman, of Southbury, and Heman Birch, Esq, of Brookfield, finishing his course in the Yale Law School, then under the care of Judges David Daggett and Samuel Johnson Hitchcock. He was admitted to the bar in 1831, and immediately settled in Guilford, Conn., where he spent the rest of his life. In January, 1844, he was appointed judge of the Probate Court. In 1859 he represented his ad