About Assumption · O Fallon, Missouri
Assumption of the Blessed Virgin Mary Parish in O’Fallon, Missouri, is a 155-year-old Catholic community dedicated to following Christ and welcoming all as members of its loving parish family. The parish invites visitors and members alike to experience faith through worship, service, and community. It is part of the Archdiocese of St. Louis and is currently led by Pastor Fr. Nick, who encourages people to 'find Christ here... and bring Christ to the world.'
- Established
- 1870
- Patron
- Assumption of the Blessed Virgin Mary
- Rector
- Fr. Nick
- Diocese
- Archdiocese of St. Louis
Why belong here
Join a parish with deep roots and a vibrant community that offers ministries for all ages, including youth programs, faith formation, and sacramental life. Experience regular Mass, adoration, and opportunities to serve through events like the Fall Festival and blood drives.
Mass times at Assumption
Weekly Mass schedule
About Us
Welcome to Assumption of the Blessed Virgin Mary Parish! Our beautiful parish has a 155 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
Ministries
- Youth & Young Adult Ministries
- Faith Formation
- Stewardship
- Parish School of Religion (PSR)
- Fall Festival
- Annual Catholic Appeal
- Blood Donation Events