Bishop Malloy's Public Schedule
June 10, 2023
ROCKFORD - 9:00 a.m., Diocesan Pastoral Council Meeting, Diocesan Administration Center
June 11-16, 2023
ORLANDO, Fla. - United States Conference of Catholic Bishops Spring General Meeting
June 18, 2023
ROCKFORD - 7:30 a.m., Sunday Mass, Cathedral of St. Peter
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June 24, 2023
ROCKFORD - 11:00 a.m., Sisters of the Immaculate Heart of Mary Jubilee Mass, Holy Family Church
June 25, 2023
ROCKFORD - 7:30 a.m., Sunday Mass, Cathedral of St. Peter

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Parish Boundaries
Rev. Richard A. Rosinski
Rev. Richard A. Rosinski

St. Mary, Byron
Rockford Deanery

Rev. Richard A. Rosinski, Pastor

Deacon Thomas Petit
220 E. Second Street  (Church)
Byron, IL 61010

P.O. Box 1070  (Mailing)
Byron, IL 61010



Phone: (815) 234-7431
Fax: (815) 234-2133

Mass Times:
Sunday:8:00 a.m., 10:45 a.m.
Tuesday:7:30 a.m.
Wednesday:7:30 a.m.
Thursday:7:30 a.m.
Friday:7:30 a.m.
Saturday:5:00 p.m.
Holy Day:See church bulletin or website.

Sacrament of Reconciliation:
Friday: 8:00-8:30 a.m.
Saturday: 3:30-4:30 p.m.
or by appointment

To submit corrections, please use your email account to
send an email to
Founded:  1954
Built:  1975
Registered Families:  598
Church Capacity:  325