Alexander Hamilton Winton was the son of David and Mary (Atwell) Vinton. He married Eleanor Stockbridge of Providence, RI.
He graduated from Yale, M.D. in 1828, and practised at Pomfret, CT from 1828 to 1831. He abandoned medicine for the ministry, and graduated from the General Theological Seminary, New York City in 1835. He was appointed deacon in New York City by Bishop Onderdonk in 1835, and priest at Providence, RI, by Bishop Griswold in 1836. He was Rector of Grace church, Providence, RI, 1836-42; St. Paul's, Boston, 1842-58; Trinity, Philadelphia, PA, 1858-61; St. Mark's, New York City, 1861-69, and Emmamuel, Boston, 1869-77. AMW knew him when she lived at Pomfret.
Johnson, Rossiter (ed.), The Twentieth Century Biographical Dictionary of Notable Americans, Boston, 1904, vol. 10, p. 263.