Our beautiful parish has a 150 year history here in O’Fallon! I invite you to join us, as a visitor or as a member of our loving 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 in for a visit to find Christ here... and bring Christ to the world.
Peace, Fr. Nick
Saturday Vigil: 5pm Sunday: 8am, 10am, 12-Noon, 5:30pm Monday-Friday: 6:30am, 8am & Saturday: 8am
Holy Day’s Vigil for Feast: 5:30pm Feast Day: 6:30am, 8am and 7pm
This fall, we are having another video/discussion series to help us grow in our faith. The series is titled Living Faith with Fr. Columba Jordan, CFR. These five-part vid...
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Held every Sunday at the 10 AM Mass from August through May, all children ages 3 years to second grade, who have not had their first communion, are invited to p...
Attention men of Assumption Parish! Are you looking to deepen your relationship with God? Be a better husband? Become a more loving father? Build friendships with other l...
Register NOW! Click Here
Mark your calendars for the most thrilling weekend of the year! The Assumption Fall Festival is bigger than ever on Saturday, Oct. 4 (2-11PM) and Sunday, Oct. 5 (11AM-5PM...
Win a Quilt-of-the-Month! The Assumption Quilters are hosting a quilt raffle with 12 different drawings beginning August 2025 thru July 2026. All proceeds for the Qu...