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full Parish Calendar


Masses Times

4:00 pm
7:30 am
9:00 am
9:01 am (Cana Hall)
10:45 am

12:15 pm
6:00 pm (Contemporary Mass)

5:30 pm (Church)
12:15 pm (Cana Hall)

10:30 am (Cana Hall)


7:30 am


2:00-4:00 pm (Church)
8:30-10:00 am 

4:00-5:15 pm (North Wing Room A)


10:00 am (Faith Sharing Room)

(Or by appointment with the priests. To make an appointment contact the Parish Office at 815.436.2651)



Continuous exposition of the Most Blessed Sacrament from Sunday 7:00 pm through Friday 9:00 pm except on First Fridays when exposition continues overnight to Saturday 7:00 am.




Welcome to

St. Mary Immaculate Parish

A Roman Catholic Parish in the Diocese of Joliet

15629 S. Rt. 59, Plainfield, IL 60544     815.436.2651


Stand Up for Life!

We stand in prayer and solidarity with the hundreds of thousands of people who marched at the 42nd March for Life today in Washington, D.C. on Thursday, January 22. With over 700,000 marchers it is being reported to be the largest Pro-Life event that has ever taken place in the world!

Let us pray for every child, especially for those who live in their mother's womb, that they might grow in the image and likeness of the God who made them. And for every living person, that they may receive the dignity and compassion they deserve, for we are all God's children; We pray to the Lord!



Baby Bottles
for Life!

Starts at SMI
January 31st!

Over the next several weeks, our parish will be participating in a special fundraiser to promote and further a Culture of Life within our parish and local community. The proceeds of this event will help support the life-saving work of Woman...READ MORE

Alpha Returns
This Spring!

This Fall, we had over 500 parishioners go through the Alpha program and it was a huge hit! Because it has been such a success, we are doing Alpha again in the Spring! The program will run on Sunday Mornings from 10:30am-12:30pm starting on February 1. Sign ups will open the weekend of November 14. Sign Up early because this session will fill up fast! Visit
for more info!

Catholic Schools Week

 Sun. Jan. 25 - Sat. Jan. 31

St. Mary Immaculate Parish School provides an outstanding academic, Christ-centered Catholic education in a safe and secure family-oriented environment. Our wholechild approach fosters intellectual, spiritual, physical, & social development from Pre-School through 8th grade. We implement the Joliet Diocese Early Childhood Curriculum and...READ MORE



Join us for our Parish Pilgrimage to Italy with Fr. David Medow

Join us for our 11 day Pilgrimage to Italy with our Pastor, Fr. David Medow from April 27 - May 7, 2015. Let's go see the face of Jesus in His burial shroud. The Shroud of Turin is on a rare
exhibit next spring. Come and have one of the great prayeexperiences of your life to see the holy and miraculous image of the Crucified Lord. Other highlights of this holy journey: Daily Mass in holy sites (including St. Peter’s), The great Duomo (Cathedral) in Milan...READ MORE


Galabration 2015 "Dare to Dream" Gala

Saturday, February 7, 2015. Click HERE to download a Ticket Form. Galabration is a great night out with live and silent auctions, raffles and much, much, more. Dare to Dream Gala ’15 is a black tie optional fundraiser, that will guarantee an enjoyable night filled with delicious food, drinks, entertainment and dancing.  Galabration is the biggest fundraiser of the school year. Last year we raised $73,000 and the 2014-2015 is $75,000. This is...READ MORE

Walking With Purpose - Seven Priorities that make Life Work
Register Now for Women’s Faith Sharing Group. Click HERE to download registration form.
Women of all ages are invited to join an 8-week personal study and small discussion group session starting on Tuesday, February 3, 2015 entitled Walking With Purpose – Seven Priorities That Make Life Work.  This program reaches out to women of all ages to grow in their faith and connect with other women of the Catholic faith. Sessions will be held on...READ MORE