Our parish has a 150 year history here in O’Fallon and I invite you to join us, as a visitor or as a member of our parish family, as we continue that history of striving to follow Christ. I hope this website can answer your immediate questions but you are always welcome to contact us personally, or better yet, to stop by where we hope you will find Christ here, and help us bring Christ to the world.
Saturday Vigil: 5pm
Sunday: 8am, 10am, 12-Noon, 5:30pm
Monday-Friday: 6:30am, 8am
Vigil for Feast: 5:30pm
Feast Day: 6:30am, 8am and 7pm
Feast of the Immaculate Conception
2021 – Holy Day of Obligation
December 8th is the Feast of the Immaculate Conception and a holy day of obligation. The Imma...
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Assumption of the Blessed Virgin Mary
Christmas Mass Schedule
Christmas Eve – Friday December 24th
4pm (Church, Livestream & Parish Center)
Director Of Communications And Marketing
Organization: Assumption (O'Fallon)
Assumption Parish in O'Fallon, Missouri is seek...
Our Annual Stewardship Renewal is still in process! If you haven't had a chance to fill out your Commitment Card, you can do so right HERE! Once you hit DO...
Society of St. Vincent De Paul needs your help this Christmas!
Neighbors In Need Christmas Day
Our SVDP is again sponsoring a C...
THANK YOU FOR YOUR GENEROSITY!
We would like to express our sincere gratitude to all of you who so graciously donated on Giving Tuesday to help our Youth programs!! Be...