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Mass Schedule


6:30am(MH), 8:00am


9:00 am(MH), Vigil Mass 5:00pm


8:00am, 10:00am, 12:00pm-Noon

Parochial Administrator
Rev. Mitch Doyen


Position Opening-Lay Pastoral Associate
Job Opportunity – Lay Pastoral Associate Assumption Parish in O’Fallon, Missouri, seeks a full-time Lay Pastoral Associate to minister to and with a vibrant, suburban parish community o... Read More
Derby Day-Online Auction OPEN
DERBY DAY at ACC DOWNS! Our May 2nd Dinner Auction is already underway with special online pre-bidding! VIEW or BID on AUCTION ITEMS   New items will be added in the weeks leading... Read More
Prayers for RCIA Members
On Feb. 21 and 22, we received prayer cards for the members of our RCIA program. Please keep them and their catechists in prayer, in these final weeks before their full initiation in to the Churc... Read More
Join the 2016 Trip to the Holy Land!
Want to walk the land where Jesus walked? See what the prophets saw? Taste the air that Mary & Joseph tasted on their way to Bethlehem? More Info & Trip Details Read More

Upcoming Events

Sacrament of Reconciliation:

Sat. Mar, 28, 4:00p-4:45p and 6:15p-7:00 (church)
Wed. Apr. 1, 11:00a-1:00p (church)

Learn more about the Archbishop's 
Pastoral Letter on Reconciliation

Final Evening Lenten Mass

Tues., Mar. 31 at 7pm

CLICK for our Holy Week
and Easter Schedule