Ayer, Joseph, a Congregational minister, was born at Stonington, Conn., May 19, 1793. He graduated at Brown University in 1823, and having studied theology with Rev. Timothy Tuttle of Ledyard, Conn., he was ordained at North Stonington in -1825, where he was acting pastor until 1837. In that year he was installed pastor at Hanover, where he remained eleven years. In 1851 he became pastor at South Killingly, having labored there two years previously as stated supply, and continued in charge until 1856. The following year found him installed at East Lyme. Subsequently- he was acting pastor at Sterling for two years, when he became the regular minister, in 1870.: On his eighty-second birthday he resigned, and thus closed a long and useful ministerial career. He died at Somerville, Conn., Dec. 26, 1875. See Cong. Quarterly, 1876, p. 419; 1877, p. 312.