Born: October 25, 1849, Malden, Massachusetts.
Died: June 22, 1922.
Buried: Newton Cemetery, Newton, Massachusetts.
John was the son of John Greenleaf Adams and Mary Hall Barrett, and husband of Miriam Priest Hovey (married 1883)
He attended high schools in Providence, Rhode Island, and Lowell, Massachusetts. He graduated from Tufts College, Massachusetts (AB 1870) and Harvard Divinity School, Cambridge, Massachusetts (BD 1872).
He served pastorates at:
He became a trustee of Tufts College in 1880, and of the Universalist General Convention in 1895.