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Timothy J. O'Malley
Living · United States · Bishop

Timothy J. O'Malley

Auxiliary Bishop of Chicago
Auxiliary Bishop
1959
1997
Ordained
2025
Consecrated Bishop
Chicago
Diocese
United States
Country
The Life

Timothy James O'Malley was born on December 17, 1959, in Evergreen Park, Illinois, and came to the priesthood by a second road. He studied management at Purdue University, qualified as a certified public accountant through the University of Illinois, and earned a law degree from DePaul University, working as an accountant from 1982 to 1987 and as a lawyer from 1990 to 1992. After a period of discernment with the Society of Jesus, in 1992 he entered Mundelein Seminary, where he took a degree in sacred theology and a master of divinity.

He was ordained a priest of the Archdiocese of Chicago on May 24, 1997, and spent most of his priesthood in Lake County and on the north side of Chicago. He was associate pastor of St. Agnes of Bohemia in Chicago, then pastor of St. James in Highwood, St. Joseph in Round Lake, and St. Genevieve in Chicago, before becoming pastor of Most Blessed Trinity in Waukegan in 2018. He helped lead a gun buyback with the Waukegan police on April 29, 2023, at which 166 guns were collected, work Cardinal Cupich singled out as priestly service to public safety.

Pope Francis appointed him an auxiliary bishop of Chicago on December 20, 2024, with the titular see of Numida, and Cardinal Cupich consecrated him at Holy Name Cathedral on February 26, 2025. Effective March 1, 2025, he became episcopal vicar of Vicariate I. Before his appointment he had served on the Priests' Placement Board and as a dean in several vicariates, and his episcopal motto is Our daily bread, a prayer for provision from a man who had worked in accountancy and law before priesthood.

Major Works & Initiatives
Pastor of Most Blessed Trinity, Waukegan (2018-2025)
Led the Waukegan parish for seven years before his episcopal appointment, after pastorates in Highwood, Round Lake, and Chicago.
Gun buyback with Waukegan police, April 29, 2023
Helped lead the parish, archdiocese, and police buyback at which 166 guns were collected, including an Uzi.
Episcopal vicar of Vicariate I (from March 1, 2025)
Leads the archdiocese's northern vicariate as an auxiliary bishop under Cardinal Cupich.
The Old Mass, See by See
Chicago2025-02-26 – presentauxiliaryNo act of his own
What he inheritedChicago under Archbishop Blase Cupich: his policy implementing Traditionis custodes, issued December 27, 2021 and effective January 25, 2022, removed the 1962 Missal from parish churches to designated locations, barred it on the first Sunday of each month and on Christmas, in the Sacred Triduum, at Easter and at Pentecost, required vernacular readings from the reformed lectionary, and required priests authorized for the old rite to seek the archbishop's written permission. The Canons Regular of St. John Cantius are the archdiocese's traditional institute presence. Those acts are Cupich's, signed by him as ordinary; O'Malley was a parish priest throughout that period and became a bishop only in 2025. The archdiocese published no single site list, so no site count is asserted for this auxiliary tenure.
Since the SSPX decree of 2 July 2026: No statement recorded as of 2026-10-24.
Reviewed 2026-10-24Confidence: high
Domus Dei’s Verdict
The Bishop & the Mass of Ages
No record of his own

On the 1962 Missal, Bishop O'Malley has no governing act of his own on record. He was a parish priest when Traditionis custodes was issued in July 2021 and when Cardinal Cupich promulgated Chicago's implementing policy in December 2021, and he did not become a bishop until February 2025. No decree, permission, appointment, or public letter of his on the old Mass was found in diocesan releases, the archdiocesan newspaper, or targeted web searching.

What governs Chicago is therefore inherited, not his. Cupich's policy, effective January 25, 2022, removed the 1962 Missal from parish churches to designated locations, barred it on first Sundays and the great feasts, and required written permission from the archbishop for its use. O'Malley serves inside that regime as episcopal vicar of Vicariate I, but administering a predecessor's policy is not the same as authoring one, and this dossier does not credit him with Cupich's acts.

That distinction is the whole verdict. A search that found nothing is not the same as a record of opposition or of support, and neither may be invented to fill the gap. Until O'Malley himself authorizes, restricts, or sustains a celebration of the old rite by a governing act, his posture is honestly no_record, at high confidence precisely because the window in which he could have acted as a bishop is so short and so thoroughly documented.

References & Further Reading
1.
Pope Francis Names Five New Auxiliary Bishops for the Archdiocese of Chicago — Archdiocese of Chicago · archchicago.org · 2024Appointment December 20, 2024; born December 17, 1959, Evergreen Park; degrees; parish assignments through Most Blessed Trinity, Waukegan.
2.
Pope Francis Names New Auxiliary Bishops of Chicago — United States Conference of Catholic Bishops · usccb.org · 2024Ordination May 24, 1997; accountant 1982-1987, lawyer 1990-1992, Mundelein 1992-1997; Placement Board and deaneries.
3.
Cardinal Cupich ordains five new auxiliary bishops — Chicago Catholic · chicagocatholic.com · 2025Consecration February 26, 2025, Holy Name Cathedral; Vicariate I assignment effective March 1, 2025; gun buyback April 29, 2023, 166 guns.
4.
Cardinal Cupich issues new restrictions on Traditional Latin Masses — Catholic News Agency · catholicnewsagency.com · 2021Cupich policy issued December 27, 2021, effective January 25, 2022: written permission, vernacular readings, no parish-church use without archbishop and Vatican agreement, barred first Sundays, Christmas, Triduum, Easter, Pentecost.
Portrait: 22thecrobot / Wikimedia Commons
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