Faith Formation

As part of the Nation’s largest 9-day public prayer for life movement, the Assumption Respect Life Apostolate Ministry (Pro-Life) invites all ages for two days of peaceful, faithful public prayer to call for an end to abortion and a renewed respect for human life. Join us, Saturday, ...

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Assumption and St. Juan Diego Parishes are called to come together on the afternoon of Sunday, June 7, to celebrate The Solemnity of the Most Holy Body and Blood of Christ, also known as the Feast of Corpus Christi. Parishioners of all ages are invited to participate in a one-mile procession to cel...

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After 8AM Mass in the Church, join the O'Fallon American Legion Post 388, Monday, May 25 in the Assumption Cemetery, to honor and remember those who died in service of our country. The Legion will host its annual Memorial Day Prayer Service at 8:45AM, and everyone is invited to pay tribute to th...

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Assumption has a lot to be thankful for, and topping the list is our dedicated clergy who are celebrating ordination anniversaries this month. Please keep our priests and deacons in your prayers as they continue to spread the good news of Christ throughout our parish and the world. Congratulati...

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Calling all athletes and coaches! Wear your jerseys and join us for the Blessing of the Athletes at 10AM Mass, Sunday, May 3! We will be celebrating our athletic community and players with a special blessing and prayer card at Mass. Athletes will be bringing up the offertory, and the three new ...

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We can't wait to see you there for those who reserved a spot for the Assumption Pilgrimage to Shrine of St. Rose Philippine Duchesne towards receiving plenary indulgence. In honor of the Archdiocese of St. Louis celebrating its 200th Anniversary, Assumption Parish is planning a Bicentennial...

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We are blessed to share the joyful news that Assumption parishioner, Shawn Gibbs has been nominated as a St. Joseph Radio Catholic Man of the Year for the Archdiocese of St. Louis. ​Shawn, his wife Janell, and their two beautiful children, Faith and Wyatt, have been cherished members of our parish f...

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We are thrilled to announce the addition of four new parishioners to our Parish Council! A heartfelt thank you to those who were nominated and graciously accepted this call to serve our parish community. Please join us in welcoming: • Cathy Hackman ​ • Deborah Meyer ​ • Kristin Kei...

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