Cahill to Be Installed as Joliet Bishop November 11
The Cathedral of St. Raymond Nonnatus will host the installation Mass for Bishop-Designate Brendan J. Cahill.
Updated on Oct. 26, 2026 in People
Cardinal Blase J. Cupich will install Bishop-Designate Brendan J. Cahill as the seventh bishop of the Diocese of Joliet on November 11, 2026. The installation Mass at the Cathedral of St. Raymond Nonnatus will include attendance by Archbishop Gabriele Caccia.
Why it matters
This installation marks a formal leadership transition for the Diocese of Joliet following the appointment of Archbishop Ronald A. Hicks to New York. Bishop Dennis E. Spies has served as the interim apostolic administrator while the diocese prepared for the new bishop.
Bishop-Designate Brendan J. Cahill will become the 7th bishop to lead the Diocese of Joliet. The diocese has been under the leadership of apostolic administrator Bishop Dennis E. Spies since February 2026.
The players
Brendan J. Cahill
He is the bishop-designate set to become the seventh bishop of the Diocese of Joliet.
Blase J. Cupich
He is the Cardinal who will preside over the installation Mass for the new bishop.
Gabriele Caccia
He is an archbishop scheduled to attend the installation ceremony in Joliet.
Ronald A. Hicks
He previously led the Diocese of Joliet before being appointed archbishop of New York in 2025.
Dennis E. Spies
He has served as the apostolic administrator for the Diocese of Joliet since early 2026.
The details
Due to limited seating at the Cathedral of St. Raymond Nonnatus, in-person attendance for the Mass is restricted to invited guests. The Diocese of Joliet will provide a public livestream of the ceremony through its official YouTube channel.
Timeline
December 2025: Archbishop Ronald A. Hicks was appointed as the archbishop of New York.
February 2026: Bishop Dennis E. Spies began serving as the apostolic administrator of the diocese.
November 11, 2026: Cardinal Blase J. Cupich will install Bishop-Designate Brendan J. Cahill.
Market Landscape
The installation follows formal protocols established by Canon Law requirements for diocesan governance to ensure organizational stability. This transition concludes the interim leadership period that began after the departure of the previous archbishop.
Local parishioners who are unable to attend the invitation-only event in person can watch the installation Mass online. The ceremony will be available for viewing via the official diocese digital platform to ensure community access.
The takeaway
The upcoming installation ceremony marks a significant change in local religious leadership. Residents and parishioners should utilize the provided livestream link if they plan to follow the event from home.
Further reading
For more information on leadership changes in the region, visit the Joliet People section.
More information
To watch the installation Mass live, visit the Diocese of Joliet YouTube channel.
Source note: This article includes information reported by Shaw Local.
