Fenton was a curate at Immaculate Conception Church in Easthampton, MA from 1931 to 1933) and at St. Joseph's Church, Leicester, MA from 1933 to 1934. He taught philosophy at Saint Ambrose College, Davenport, IA from 1934 to 1935). At the formation of the Catholic Theological Society of America in 1946, the then-Fr. Fenton served as one of its first officers in the position of Secretary. Fenton was a familiar figure with his cassock and biretta on the campus of The Catholic University of America for 25 years. His students remember him as an imposing person who lectured dramatically and often challenged them with unexpected questions. Fenton's colorful expressions and trenchant observations became legendary. During his career, Fenton received many ecclesiastical honors from Rome. The Holy See named him a papal chamberlain, a domestic prelate, and a protonotary apostolic. Recipient of the papal medal, Pro Ecclesia et Pontifice, he belonged to the Pontifical Roman Theological Academy and served as a counselor to the Sacred Congregation of Seminaries and Universities. Fenton died in Chicopee Falls, MA, on July 7, 1969.
Works
Throughout his life, Fenton wrote an abundance of articles, especially on ecclesiology and Church-state relations. Most of Fenton's articles were published in the American Ecclesiastical Review, though he also contributed to Columbia, America, Fortnightly Review, Catholic Educational Review and Le Seminaire. Fenton's writing career also encompasses six books which he authored:
The twenty-first century has seen something of a revival of interest in Fenton's books. In 2006, his book The Catholic Church and Salvation, a scholarly in-depth explanation of the Catholic dogma "No Salvation Outside the Church", was republished by the Society of St. Pius V's Seminary Press in Round Top, New York. In 2016, his book We Stand with Christ was republished by under the title Laying the Foundation: A Handbook of Catholic Apologetics and Fundamental Theology. Also in 2016, Christian D. Washburn edited a collection of Fenton's essays from American Ecclesiastical Review under the title The Church ofChrist: A Collection of Essays by Monsignor Joseph C. Fenton, published by . Cluny Media has overseen the bulk of the revival in Fenton's works, releasing new editions of Fenton's The Theology of Prayer and The Concept of Diocesan Priesthood, under the title The Diocesan Priest in the Church of Christ, and including Fenton's dissertation—The Concept of Sacred Theology—in its , under the title What Is Sacred Theology? During the first years of the Second Vatican Council, Fenton was a member of the preparatory Theological Commission, the Doctrinal Commission, the Commission on Faith and Morals, and also a peritus. As a controversialist, he is best remembered for his aggressive opposition to John Courtney Murray, S.J., on religious freedom and on the relationship between Church and State. In December 1963, Msgr. Fenton resigned as editor of the American Ecclesiastical Review "because of poor health" and became pastor of St. Patrick's Catholic Church in Chicopee Falls, Mass. "He spent the remaining years of his life attacking from the pulpit the liberal reforms within the American church", according to one biographical source. Fenton died of an acute heart attack, apparently in his sleep, on July 7, 1969. He is buried at St. Thomas Cemetery in Palmer, Mass. Photographs of his tombstone may be found and . Msgr. Joseph Clifford Fenton is sometimes confused with Fr. Francis E. Fenton, founder of the Orthodox Roman Catholic Movement.