During his Cincinnati ministry, he served as part-time staff chaplain at the Bethesda Hospital, US Army Reserve Chaplain, and in various community service activities in the Mt. Washington, Anderson Township and greater Cincinnati communities.
In 1985, Mansfield became minister of the Unitarian Universalist Church of Huntsville, Alabama, and retired from that position in 2000. He earned the Doctor of Ministry (D. Min.) degree from the Graduate Theological Foundation, South Bend, Indiana, in 1996.
He now devotes most of his time to writing, preaching occasionally, tending to house and cat (Opie) and practicing unconventional ministry.
This is his first novel. He lives in the Piney Woods of Jones County near Laurel, Mississippi, with his wife, Peggy F. Owens-Mansfield. He is the father of two grown sons - John Amos Mansfield of Hattiesburg, Mississippi and James Adam Mansfield of Cincinnati, Ohio - and is the son of Margaret J. Maddox Mansfield and the late John H. Mansfield.