Bishop Brendan J. Cahill

On September 17, 2026, Pope Leo XIV appointed Bishop Brendan John Cahill, currently Bishop of the Diocese of Victoria in Texas, as the seventh Bishop in the Diocese of Joliet.

Bishop Brendan J. Cahill

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portrait of Bishop Brendan J. Cahill

Early Life and Education

Bishop Brendan was born in Coral Gables, Fla., on Nov. 28, 1963. He is the son of Joe (+) and Joan Cahill and the fourth of five children. His family moved to Houston in 1971. Most of his family, including his brothers and sisters, nieces and nephews, and great nieces and nephew live in Houston today. Bishop Cahill attended St. Cecilia Catholic School and in 1981 he graduated from St. Thomas High School.

After a year at Rice University, he entered St. Mary Seminary in Houston in 1982. He also received a bachelor’s degree in psychology and a Master of Divinity degree from the University of St. Thomas in Houston.

Priestly Ministry and Further Studies

Ordained a priest for the Diocese of Galveston-Houston on May 19, 1990, he served as parochial vicar of St. Frances Cabrini Church in Houston from 1990 to 1992, and at Christ the Good Shepherd Church in Spring from 1992 to 1994. In 1994, he earned a Master of Theology degree with a specialization in African American Catholic Studies from Xavier University, New Orleans.

Later that year, he moved to the Casa Santa Maria (North American College) in Rome to pursue further academic studies. These studies developed his knowledge and appreciation of the richness of culture in the expression of faith, and the theological contributions of those who participated in the Second Vatican Council. He earned a Licentiate degree in Dogmatic Theology in 1996 and a Doctorate in Fundamental Theology from the Pontifical Gregorian University in 1999. He speaks English, Spanish, and Italian, with a working knowledge of the Latin, French, and German languages. Upon his return from Rome, he moved to St. Mary Seminary in Houston where he served as formation director from 1998 to 2001, and as rector from 2001 to 2010.

Formation and Archdiocesan Leadership

During this time, he taught at the University of St. Thomas School of Theology and ministered at the Duchesne Academy of the Sacred Heart. He was the Director of the Secretariat for Clergy Formation and Chaplaincy Services and Vicar for Clergy of the Archdiocese of Galveston-Houston from 2010 to 2015. From September 2014 to June 2015, he was the administrator of St. Joseph Church in Houston. Throughout his years of service in Houston, he was involved with several boards and organizations, which included the National Federation of Priests’ Councils; University of St. Thomas; William J. Flynn Center for Irish Studies; Paradisus Dei; Anti-Defamation League Coalition of Mutual Respect; Adore Ministries; and Gratia Plena Counseling. He is a Magisterial Chaplain of the Order of Malta and a member of the Equestrian Order of the Holy Sepulchre.

He was the spiritual director of the Houston Senatus of the Legion of Mary, chaplain to the Houston Serra Club and chaplain for the Knights of Columbus Galveston-Houston Chapter. He is a member of the Knights of Peter Claver. In addition, he was a monthly co-host on “A Show of Faith” radio show with a Baptist minister and a rabbi on KNTH 1070 in Houston, he celebrated Mass weekly for the Missionaries of Charity and a monthly celebrant for Casa Juan Diego during his ministry in Galveston-Houston.

Episcopal Ministry in the Diocese of Victoria, Texas

On June 29, 2015, Daniel Cardinal DiNardo ordained him as the third Bishop of the Diocese of Victoria in Texas. Bishop David Fellhauer and Archbishop Joseph Fiorenza were co-consecrators. Since becoming the Bishop of Victoria, he joined the Communities of Faith in Victoria with other Christian, Jewish, and Muslim leaders and has been an active supporter of the Gulf Bend Center Coalition for Mental Health. He served on the Board of Catholic Rural Life and was President of the Board. He served as the Bishop Promoter for the US Apostleship of the Sea from 2017-2025. He serves on the Episcopal Advisory Board of the Catholic Prison Ministry Coalition.

National and Community Leadership

Bishop Brendan is the Chairman of the U.S. Conference of Catholic Bishops’ (USCCB) Committee for Migration and is a member of the USCCB subcommittee on African American Affairs. He is a member of the USCCB Religious Liberty committee, and a consultor to the subcommittee for Racial Justice and a consultor for the subcommittee for the Pastoral Care of Migrants, Refugees, and Travelers. He serves on the boards of the National Catholic Partnership on Disability, St. Mary's Seminary in Houston, and the University of St. Thomas in Houston.