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
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
Thank you for making the Assumption Fall Festival such a wonderful two-day celebration! ❤️ We are deeply grateful to everyone who joined us over the weekend and helped...
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In light of a weeklong Convocation for priests throughout the Archdiocese of St. Louis that happens every four years, daily Masses will not take place on Tuesday, Oct. 6 ...
The fall cemetery workday is almost here! The Assumption Cemetery Committee is having a regularly scheduled Fall Cemetery Workday at 9AM, S...
Join us on Sunday, Oct. 4 (during the Fall Festival) from 1-2PM in front of our Church and Chapel as we gather along Main Street to pray the rosary to end abortions. Pray...
The That Man Is You (TMIY) Saturday fall program begins September 12–December 12, and offers men spiritual growth through sessions on faith, church history, sa...
In honor of the Archdiocese of St. Louis celebrating its 200th Anniversary this year, Assumption Parish is planning another Bicentennial Jubilee Pilgrimage this fall. Mar...