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





SMI Parish School


Tuesday, April 24
9:00 am - 11:00 am

Open House for incoming Pre-School, Pre-K, Kindergarten, & 1st Grade.

Plan to come and see our school in action on Tuesday, April 24! We have so much to offer your child. Come meet the teachers and see our students while they learn! For over 62 years, St. Mary Immaculate Parish School strives to create a Catholic learning environment of academic excellence in which we develop...LEARN MORE


Project Passion
Celebration at SMI


Visit the Project Passion
Section HERE

Join St. Mary Immaculate for Project Passion! This 30 day prayer challenge will lead you in daily, 15 minute meditations through the Gospels. Did you know 15 minutes is just 1% of your day? This Lent, SMI is challenging ourselves to spend 1% of each day in prayer with the scriptures. Follow the meditation on the front of your Project Passion card and use the Gospel passage for the day on the back of the card. You're not alone in this project - log in to our online...READ MORE

Catholic Ministries
Annual Appeal

The Catholic Ministries Annual Appeal (CMAA) supports 30 ministries that benefit every parish in the Diocese, including ours, as well as our friends & neighbors most in need. Our parish’s goal for the 2018 CMAA is $224,600.00. If we raise more than this goal, 70% of the amount paid over goal will be returned to us for use. This is a great benefit for our parish!

Please review the info you receive and prayerfully reflect on your gift to this year’s CMAA. For more info and to give online visit HERE.


Family Skate Night

Friday, April 27, 4:00-7:00 pm. All are welcome! Sponsored by St. Mary Immaculate Home & School Association. Event is at Family FUN Zone, 2333 Theodore Street in Crest Hill. $10 Admission and Skate Rental Included. A portion of the proceeds donated to SMI School.

Totus Tuus Update

With the addition of the Middle School and High School Mission trips to our 2018 summer programs, St. Mary Immaculate has elected not to host the Totus Tuus program this year. You can find participating local parishes and complete a registration form through the Diocese of Joliet website at www.dioceseofjoliet.org/ttjoliet.

The BIG Serve - May 5 & 6

The BIG SERVE - Change the World is a community-wide effort to help neighbors in need. On May 5 and 6, join Community Christian Church, Plainfield United Methodist Church, Hope United Methodist Church, Sharon United Methodist Church, Crosswinds Church,  IFSWS Islamic Foundation, Al-Aqisa Community, St. Mary Immaculate Parish, the Village of Plainfield, and other community organizations in The BIG SERVE Change the World, a weekend celebration of community service. You choose who and how to help. There are plenty of projects for people of all skill levels and ages, so your whole family can join in the fun! Sign up at thebigserve.info.  Questions contact Pam Angelus 815-436-2651 x849 or pangelus@smip.org.
















Masses Times

4:00 pm
7:30 am
9:00 am
10:45 am
12:15 pm
6:00 pm (Contemporary Mass)

5:30 pm (Church)
12:15 pm (Cana Hall)

9:00 am (Cana Hall)


7:30 am


3:00-4:00 pm (Church)

(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.







Online Giving

Online Giving

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