Saint Margaret Mary
Catholic Church

1050 Robert Blvd Slidell, LA 70458

Meet the Pastor

I am Father Dan Darmanin, the pastor of St. Margaret Mary Church and School. I extend a warm welcome to you, whether you are a lifelong Catholic or simply curious about our faith. This website is a resource for you to learn more about our parish, our ministries, and the many ways you can connect with God and our faith community. We invite you to join us for Mass, the cornerstone of our Catholic faith. You can find our Mass schedule and other important information on this website. Please feel free to contact me or any member of our parish staff if you have any questions.

Contact Me

Slidell Food and Fun Fest

October 17-19, 2025

This year’s fair boast over 20 rides! Purchase your Mega Pass Wristbands or Session Wristbands here at the discounted price!

Act now as prices go up on
October 16th at midnight!

Click Here to Purchase

Embrace and share the Good News of the life, love, and ministry of Jesus.

Mass / Confession Times

Church Calendar

Online Giving

New Parishioner Registration

Prayer List Request

Eucharistic Adoration

Sanctuary Renovations

Youth Ministry

SMM School

Confirmation Prep. Registration


St. Margaret Mary Church warmly invites you to join us for 24 hours of Adoration of the Blessed Sacrament, commencing on October 6th immediately following the 8:30 AM Mass and concluding on October 7th at 8:30 AM. This sacred occasion is part of the inspiring 3rd Annual Northshore Rosary Congress. We encourage you to click HERE for a detailed schedule and to immerse yourself in this spiritual journey with us.


For more information about memorialization opportunities for our church renovations, please click HERE!