He served as member of the
Connecticut House of Representatives from 1848 to 1850. He served in the
Connecticut Senate in 1851 and 1852. Welch served as a member of the
Thirty-fourth Congress from March 4, 1855 to March 3, 1857. After his term, he resumed the practice of his profession. He was again a member of the Connecticut House of Representatives in 1869 and 1881. He died in
Norfolk, Connecticut, July 30, 1892. He was interred in Center Cemetery. == External links ==