November 28, 1822, Boston, Massachusetts.
November 27, 1895, Boston, Massachusetts.
Mount Auburn Cemetery, Cambridge, Massachusetts.
Octavius was the son of hymnist Nathaniel Frothingham, and husband of Caroline Elizabeth Curtis.
He graduated from Harvard University (1843) and Harvard Divinity School (1846). He pastored at the North Church, Salem, Massachusetts (1847–55); the Independent Liberal Church, Jersey City, New Jersey (1855–59); and the Third Congregational Unitarian Society, New York City (1859–79). He was known as a leader of the
Free Religious movement. His works include: