• virtual dinner auction
  • Main cross
  • Parish Prayer
  • Eucharist at altar
  • Invite a Friend to Mass
  • WELCOME! exterior
  • Christ's Love

Mass Schedule

Please read new Covid19 procedures
before coming to church


6:30am, 8:00am both in church




8:00am, 10:00am (live stream), Noon
5:30pm Life Teen-all are welcome

Fr. Nick Kastenholz


Virtual Dinner Auction June 27
Boots & Bling - 7th Annual Dinner Auction is now VIRTUAL! JUNE 27 More details will follow on the program/schedule for auction via parish email (sign up here) and on our Auction Face... Read More
Open Position-Youth Minister
Is Christ Calling you to be Assumption's next Youth Minister?   Assumption of the Blessed Virgin Mary parish is a parish of the Archdiocese of St. Louis, located in O’Fallon, MO... Read More
Weekly Rosary on Zoom
To the Member of our Knights and Assumption Parish, please join us for our weekly online Rosary. Our first session will be 10 weeks. Pre-registration is not required. Each week will be limited to... Read More
Prevent & Protect-ALL MUST REGISTER
Assumption is blessed with nearly 2,000 volunteers and paid staff, who labor in front of and behind the scenes to keep our community of faith vibrant and thriving - what a grace! The Archdiocese ha... Read More

All events CANCELED for Covid