Liturgical Event

Now that spring is here, we can't wait to see you for another season of outdoor Masses at the Mary Queen of Peace Shrine in O'Fallon! Join us at 7PM for our outdoor Mass at the Mary Queen of Peace Shrine, located at 301 Coronation Dr, O'Fallon. (Corner of Civic Park Dr & Imperial Dr,...

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The season of Easter is the most important of all liturgical times, which Catholics celebrate as the Lord's resurrection from the dead, culminating in his Ascension to the Father and sending of the Holy Spirit upon the Church. Join us for our beautiful Easter Vigil, the "Moth...

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Holy Week happens on the last week of the season of Lent and is the most important week of the year. It begins with Palm Sunday and continues through the Triduum of Holy Thursday, Good Friday and Holy Saturday. It is a time for prayer and marks ...

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Lent is a time to follow Christ’s will more faithfully and focus on what truly matters in life. Join Assumption on Ash Wednesday, February 18, 2026, for 6:30AM, 8AM, or 7PM Mass, or the 12:05PM service in the Church. Together, let’s prepare our hearts for Easter. 

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Join us on this Holy Day of Obligation: Vigil Mass Wednesday, December 31 at 5:30 PM Morning Mass Thursday, January 1 at 8 AM and 10 AM The feast concludes the octave (eight-day) celebration of Christmas Day. On this day, the Church focuses on honoring Mary’s motherhood ...

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Blessings to you and your family this Advent Season. We can't wait to celebrate the birth of Christ with you and pray together in the new year to celebrate the Feast of the Solemnity of Mary, the Holy Mother of God! The liturgical season of Christmas begins with the vigil Masses on Chris...

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December 8th is the Feast of the Immaculate Conception and a holy day of obligation. The Immaculate Conception means that the Blessed Virgin Mary, whose conception was brought about the normal way, was conceived without original sin or its stain—that’s what "immaculate" mean...

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Assumption Parish in O'Fallon, MO, invites you to Mass  to celebrate the Solemnity of the Assumption of the Blessed Virgin Mary, a Holy Day of Obligation. Vigil Mass will be celebrated at 5:30PM, Thursday, Aug. 14, and at 6:30AM, 8AM and 7PM on Friday, Aug. 15 in the Church. The A...

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