• Main cross
  • Lent
  • Eucharist at altar
  • Single Stream Recycling
  • WELCOME! exterior
  • Fr. Joe-smile-greeting
  • Year of Consecrated Life

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
Synod on the Family-Add Your Voice!
Participate in the Survey What is the Synod on the Family? All of the world's Bishops met in Rome in autumn of 2014 at an Extraordinary assembly. These Bishops will reconvene at an Ordinary as... Read More
Vino & Van Gogh!
Are you ready for the 2nd annual Vino & Van Gogh event?! Join the fun on March 28, 2015! Last year's event was a blast -- proceeds directly support our PSR/REligiou... 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

10th Anniversary Homily

For those who were impeded by the weekend 
weather, you may have missed
some great preaching reflections

from our priests on the Dedication of our church.

Click to watch Fr. Andy's
stirring, thought-provoking homily

Evening Mass
Tuesdays in Lent at 7pm

March 10

We welcome Br. Dan Korn, C.Ss.R who will
provide a reflection in Hall C right after Mass

Sacrament of Reconciliation:
Saturdays, 4:00p-4:45p (church)
Saturdays in Lent, 6:15p-7:00p (church)
Thursday, Mar. 19, 7pm (Motherhouse)

CLICK for more Lenten Faith Opportunities