O'Fallon, MO · Sunday & Weekday
Mass Times in O'Fallon, MO
Complete Catholic Mass schedule across 3 parishes
11 Sunday Masses
3 Parishes
Earliest Sunday: 7:00 AM at St. Juan Diego Parish
Latest Sunday: 6:00 PM at St. Juan Diego Parish
Show on map
Sunday 3
St. Juan Diego Parish 1400 N. Main Street, O'Fallon
7:00 AM Español
9:00 AM English
11:00 AM Español
6:00 PM Español
St. Paul Catholic Church 1223 Church Rd., O'Fallon
7:00 AM
9:00 AM
11:00 AM
Assumption of the Blessed Virgin Mary Parish 403 N. Main St., O'Fallon
8:00 AM
10:00 AM
12:00 PM
5:30 PM Life Teen — all are welcome
Frequently Asked Questions
- What are the Sunday Mass times in O'Fallon, MO?
- 11 Sunday Masses are offered across 3 Catholic parishes in O'Fallon, from as early as 7:00 AM at St. Juan Diego Parish through 6:00 PM at St. Juan Diego Parish. Browse each parish for the full schedule.
- Where can I find daily (weekday) Mass in O'Fallon?
- 3 parishes offer weekday Mass in O'Fallon: Assumption of the Blessed Virgin Mary Parish, St. Juan Diego Parish, St. Paul Catholic Church.
- Which parishes in O'Fallon also offer Confession?
- 3 parishes have scheduled Confession times in O'Fallon. See the Confession schedule for days and times.
- How do I get Mass reminders for parishes in O'Fallon?
- Download the free Hearth app, follow your parish, and get Mass and event reminders — plus RSVP to parish events across O'Fallon.
